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TrueSciPhi

Astronomers on Twitter

Including astrophysicists, cosmologists, planetary scientists, space scientists, and related professionals. Also see Physicists on Twitter.

Updated: 2019-Jul-17 11:00 UTC. Listed users: 419. Inclusion criteria. List only women. List only patron opportunities. List only users with Google Scholar links. Switch to collage. View in Twitter list system. More about new/reply/retweet percentages. A feed's listed count is the number of Twitter users' lists on which the feed appears. Feedback: @TrueSciPhi.

#Twitter profile & related linksTwitter
followers 
Listed
count
1. profile imageNeil deGrasse Tyson
@neiltyson


Astrophysicist
New York City
haydenplanetarium.org/tyson/
10 yrs, 5 mos on Twitter
Tweets: 2/day • 65% new, 34% replies, 0% retweets, 1% quotes
13,338,191 47,240 
2. profile imageDr. Brian May
@DrBrianMay


Rocket Ship Builder 🚀🚀🚀🚀🚀
brianmay.com
6 yrs, 9 mos on Twitter
Tweets: 7/day • 99% new, 1% replies, 0% retweets, 0% quotes
985,332 3,368 
3. profile imagePhil Plait
@BadAstronomer


SCIENCE! I love this stuff. My Bad Astronomy blog: syfy.com/badastronomy I use 'likes' for bookmarks. No endorsement implied.
Boulder
about.me/philplait
YouTube channel
12 yrs, 3 mos on Twitter
Tweets: 19/day • 21% new, 56% replies, 5% retweets, 18% quotes
614,345 12,854 
4. profile imageUmut Yildiz
@umutayildiz


Deep Space Telecom📡 & Dr. #Astrophysics🚀 @NASAJPL @Caltech • My Opinions • #SciComm • instagram|twitch:umutayildiz • In Science We Trust #tekcareuzay
Los Angeles, CA
yildiz.space
Google Scholar page
8 yrs, 10 mos on Twitter
Tweets: 2/day • 13% new, 48% replies, 33% retweets, 6% quotes
457,532 332 
5. profile imageKatie Mack
@AstroKatie


(a.k.a. Dr Katherine J Mack) astrophysicist/cosmologist, occasional freelance science writer, connoisseur of cosmic catastrophes
Raleigh, NC
astrokatie.com
Google Scholar page
10 yrs, 2 mos on Twitter
Tweets: 27/day • 8% new, 83% replies, 5% retweets, 4% quotes
319,022 3,859 
6. profile imageKirk Borne
@KirkDBorne


Principal Data Scientist @BoozAllen. Global Speaker. Top Big Data Science & #AI Influencer. Astrophysicist (Views are my own) rocketdatascience.org 📊🔭
Booz Allen Hamilton
linkedin.com/in/kirkdborne
Google Scholar page
7 yrs, 3 mos on Twitter
Tweets: 39/day • 76% new, 9% replies, 7% retweets, 8% quotes
235,844 7,785 
7. profile imageEmily Lakdawalla
@elakdawalla


Senior Editor & Planetary Evangelist, The Planetary Society. Planetary scientist. Asteroid 274860. Views are my own & not those of employer.
Pasadena, CA
planetary.org/emily
11 yrs, 2 mos on Twitter
Tweets: 17/day • 15% new, 43% replies, 33% retweets, 8% quotes
158,042 4,795 
8. profile imageDr. Phil Metzger
@DrPhiltill


Planetary scientist at @UCF. CoFounder NASA KSC SwampWorks. Space Mining. Space Settlement. Science. Instagram @drphiltill
Orlando, FL
philipmetzger.com
6 yrs, 7 mos on Twitter
Tweets: 16/day • 10% new, 79% replies, 7% retweets, 4% quotes
73,738 1,819 
9. profile imageMike Brown
@plutokiller


Astronomer, planet hunter, Pluto killer, bear whisperer, Finger-wrapped dad. Dangerous secularist.
Pasadena, CA
mikebrownsplanets.com
Google Scholar page
10 yrs, 3 mos on Twitter
Tweets: 5/day • 18% new, 67% replies, 13% retweets, 2% quotes
63,528 1,752 
10. profile imageCarolyn Porco
@carolynporco


Cassini imaging lead. Visiting Scholar UC Berkeley. National Geographic Eliza Scidmore awardee. I think. I speak. I write. Opinions are my own.
CA
carolynporco.com
9 yrs, 11 mos on Twitter
Tweets: 9/day • 5% new, 49% replies, 8% retweets, 38% quotes
62,211 1,980 
11. profile imageDr. Chanda Prescod-Weinstein 🙅🏽‍♀️ 🇧🇧🏳️‍🌈
@IBJIYONGI


#BlackandSTEM Assistant Prof of #Physics, Black Feminist #HistSTM. agender woman/she. Spring 2021: #DisorderedCosmos from @BoldTypeBooks! tweets by/for me only.
DurhamNH/CambridgeMA/Wakanda
cprescodweinstein.com
11 yrs, 1 mo on Twitter
Tweets: 39/day • 7% new, 58% replies, 26% retweets, 9% quotes
56,041 1,018 
12. profile imageDr./Prof. Sarah Hörst
@PlanetDr


Asst Prof of Planetary Sci @JohnsHopkins and Titan evangelist. “I try not to hope and fail utterly” [email protected] she/her https://t.co/KTdjav31lU
Baltimore, MD, USA
etsy.com/shop/PlanetDr
Google Scholar page
10 yrs, 3 mos on Twitter
Tweets: 18/day • 12% new, 61% replies, 22% retweets, 6% quotes
53,595 1,339 
13. profile imageDr. Bruce Betts
@RandomSpaceFact


Random space facts, easy astronomy. Planetary science. Chief Scientist at Planetary Society. Children's book author. Alum @Caltech, @Stanford, @JesuitHighSac
Pasadena, California, USA
randomspacefact.com
10 yrs, 3 mos on Twitter
Tweets: 1/day • 28% new, 1% replies, 69% retweets, 2% quotes
46,579 1,126 
14. profile image- Jeff Goldstein
@doctorjeff


STEM educator, astrophysicist, Natl Cntr Directr ncesse.org, Stnt Expts on ISS ssep.ncesse.org | NSTA Keynote 3min vid goo.gl/QGbJ9
- Washington, DC
doctorjeff.org
10 yrs, 5 mos on Twitter
Tweets: 9/day • 68% new, 14% replies, 17% retweets, 0% quotes
*Follows 0.94 feeds per follower
46,414* 1,216 
15. profile image𝐃𝐚𝐯𝐢𝐝 𝐁𝐫𝐢𝐧 🛰
@DavidBrin


Scientist, Futurist, Author (The Postman, Earth, Existence,The Transparent Society). Interested in technology & our changing world. davidbrin.blogspot.com
San Diego
davidbrin.com
8 yrs, 9 mos on Twitter
Tweets: 5/day • 76% new, 9% replies, 14% retweets, 1% quotes
42,770 2,237 
16. profile imageCatherine Q.
@CatherineQ


Astrophysicist, science communicator, over-thinker. One of @HuffPostscience Top 30 Physicists to follow. @AucklandUni @ScienceUoA space person. Dogs rule.
New Zealand
CatherineQ.com
10 yrs, 4 mos on Twitter
Tweets: 38/day • 16% new, 45% replies, 33% retweets, 6% quotes
41,307 1,758 
17. profile imageDr Pamela L Gay
@starstryder


Communicating astro & life 1 sidereal day at a time. All opinions & ideas are my own. Support on Patreon.com/starstryder & paypal.me/starstryder
Edwardsville, IL
starstryder.com
11 yrs, 5 mos on Twitter
Tweets: 8/day • 16% new, 36% replies, 44% retweets, 4% quotes
40,069 1,642 
18. profile imageDr. Selçuk Topal
@astronomTurk


Astronom|BSc+MSc @AnkaraUni PhD @UniofOxford |Fellow @RoyalAstroSoc @IAU_org|Founder of @gelecekuzayda| @TEDx 👉https://t.co/8N2l1vaFkb Official Twitter Account
Turkey
astronomselcuk.com
6 yrs, 6 mos on Twitter
Tweets: 4/day • 26% new, 63% replies, 5% retweets, 6% quotes
38,375 106 
19. profile imageAlan Stern
@AlanStern


Scientist. Space Explorer. Author. Speaker, Optimist. Pilot. Dad. Not necessarily in that order. Follow my New Horizons Twitter feed @NewHorizons2015 too!
Niwot, CO
alanstern.space
10 yrs, 11 mos on Twitter
Tweets: 7/day • 6% new, 21% replies, 73% retweets, 0% quotes
37,813 1,096 
20. profile imageDr. Ian O'Neill
@astroengine


Solar astrophysicist, freelance space writer & science communicator. Editor of @AstroSocietyPac's #MercuryOnline. Star stuff, eventual star chum. #scicomm
Woodland Hills, Los Angeles
astroengine.com
10 yrs, 11 mos on Twitter
Tweets: 13/day • 22% new, 34% replies, 37% retweets, 6% quotes
36,335 1,344 
21. profile imageStuart Clark
@DrStuClark


Astronomer, journalist, author. The Sky's Dark Labyrinth. Writes Across the Universe for The Guardian. Co-hosts The Stuniverse podcast. Dyed-in-the-wool progger
London
stuartclark.com
10 yrs, 2 mos on Twitter
Tweets: 3/day • 14% new, 40% replies, 14% retweets, 32% quotes
35,047 657 
22. profile imageAndrew Chael
@thisgreyspirit


Somewhat functional assortment of 7 billion billion billion atoms. Astrophysicist.
Cambridge, MA
blackholeshadow.com
2 yrs, 3 mos on Twitter
Tweets: 0.4/day • 9% new, 32% replies, 50% retweets, 9% quotes
34,926 210 
23. profile imageJake VanderPlas
@jakevdp


West Seattleite. Espresso, not drip. Dad of two girls; once-astronomer; author of @pydatasci; developer on @GoogleColab.
Seattle WA
vanderplas.com
Google Scholar page
6 yrs, 10 mos on Twitter
Tweets: 2/day • 24% new, 53% replies, 17% retweets, 5% quotes
33,404 1,165 
24. profile imageMatt Taylor
@mggtTaylor


I work at the European Space Agency on Rosetta, Space plasma stuff, Swarm, Cluster and now dabbling with the Gateway. 501st Dutch Garrison TK67676 EIB
Netherlands
6 yrs, 9 mos on Twitter
Tweets: 9/day • 9% new, 49% replies, 29% retweets, 12% quotes
33,283 640 
25. profile imageDr. Tamitha Skov
@TamithaSkov


The Space Weather Woman. Forecasting aurora, GPS, HF radio & radiation issues during solar storms. As seen on TV: @HISTORY, @weatherchannel, & @PopSci
Los Angeles, CA
SpaceWeatherWoman.com
6 yrs, 8 mos on Twitter
Tweets: 9/day • 5% new, 0% replies, 77% retweets, 18% quotes
33,030 1,010 
26. profile imageRobert Simpson
@orbitingfrog


Googler, astronomer, TED Fellow. Views are my own.
UK
orbitingfrog.com
Google Scholar page
12 yrs, 2 mos on Twitter
Tweets: 3/day • 18% new, 27% replies, 50% retweets, 4% quotes
31,017 445 
27. profile imageSophia Gad-Nasr 🏳️‍🌈
@Astropartigirl


Astroparticle physicist working on dark matter. PhD student @UCIrvine. Feminist. Captivating the world w/physics, one particle at a time. And hamsters. She/her
🐶|Los Angeles〉+ 🐹|Irvine〉
astropartigirl.com
9 yrs, 2 mos on Twitter
Tweets: 15/day • 3% new, 81% replies, 14% retweets, 2% quotes
30,768 695 
28. profile imageAlex Parker
@Alex_Parker


Planetary astronomer and artist exploring the origin and history of our solar system. Director of @ESPRESSO_SSERVI, keeper of @RoboHiveTweets.
Boulder, Colorado
alexharrisonparker.com
Google Scholar page
10 yrs, 6 mos on Twitter
Tweets: 6/day • 20% new, 63% replies, 9% retweets, 8% quotes
30,565 798 
29. profile imagechrislintott
@chrislintott


Astronomer, zookeeper and journalist, based at University of Oxford.
Oxford
zooniverse.org
Google Scholar page
10 yrs, 9 mos on Twitter
Tweets: 4/day • 18% new, 59% replies, 11% retweets, 12% quotes
29,996 965 
30. profile imageDr. Tanya Harrison
@tanyaofmars


🇨🇦🇺🇸🏳️‍🌈Professional Martian 🛰 Science+Sci-Fi Consultant 🌍 Geoscientist @planetlabs 🔴 Former mission ops for @MarsCuriosity, @MarsRovers, MRO. Views are my own.
Toronto / Washington DC
tanyaofmars.com
10 yrs, 3 mos on Twitter
Tweets: 10/day • 9% new, 39% replies, 47% retweets, 5% quotes
29,354 956 
31. profile imageJonathan McDowell
@planet4589


I'm an astronomer at the Harvard-Smithsonian Center for Astrophysics, working on Chandra and quasars, and commenting on space launches and space activities.
Somerville, MA, USA
planet4589.org
Google Scholar page
10 yrs, 5 mos on Twitter
Tweets: 9/day • 26% new, 58% replies, 12% retweets, 4% quotes
28,900 999 
32. profile imageJanna Levin
@JannaLevin


Astrophysicist. Author.
New York City
pioneerworks.org/science
6 yrs, 4 mos on Twitter
Tweets: 2/day • 44% new, 29% replies, 16% retweets, 11% quotes
27,562 660 
33. profile imageAmy Mainzer
@AmyMainzer


Scientist
Jet Propulsion Laboratory
science.jpl.nasa.gov/people/Mainzer/
6 yrs, 4 mos on Twitter
Tweets: 0.4/day • 20% new, 72% replies, 5% retweets, 4% quotes
26,842 813 
34. profile imageSethShostak
@SethShostak


Astronomer, SETI Institute. Host, of radio show/podcast Big Picture Science
Mountain View, California
bigpicturescience.org
10 yrs, 8 mos on Twitter
Tweets: 0.1/day • 76% new, 11% replies, 5% retweets, 8% quotes
26,027 1,143 
35. profile imageDaniel Marín
@Eurekablog


Autor del blog Eureka. Canario. Premio Bitácoras y 20Blogs en ciencia. Colaboro en Naukas, revista AstronomíA y @radioskylab_es. @NASAJuno Tweetup alumnus.
España
danielmarin.naukas.com
9 yrs, 10 mos on Twitter
Tweets: 15/day • 9% new, 16% replies, 73% retweets, 2% quotes
24,754 1,108 
36. profile imageBrian Schmidt
@cosmicpinot


An overly busy Cosmologist who is Vice Chancellor of the ANU, Wine maker, Dad & Husband. 2011 Nobel Laureate in Physics
Canberra Australia
msowww.anu.edu.au/~brian
Google Scholar page
9 yrs, 7 mos on Twitter
Tweets: 3/day • 7% new, 63% replies, 29% retweets, 1% quotes
24,377 566 
37. profile imageDavid Grinspoon
@DrFunkySpoon


Astrobiologist, Author, Musician. 👽🚀🎸🎵🌎❤️
Biosphere One
funkyscience.net
Google Scholar page
7 yrs, 9 mos on Twitter
Tweets: 13/day • 20% new, 43% replies, 31% retweets, 6% quotes
23,970 719 
38. profile imageKarl Battams
@SungrazerComets


Astrophysicist & computational science Dr., tweeting comets, asteroids, Sun, space weather & more. Personal account. All images public, all opinions mine.
Washington, D.C.
sungrazer.nrl.navy.mil
9 yrs, 3 mos on Twitter
Tweets: 3/day • 25% new, 44% replies, 25% retweets, 6% quotes
23,206 818 
39. profile imageFeryal Ozel
@feryal_ozel


Astrophysicist, Conscientious Citizen, World Traveler
Google Scholar page
2 yrs, 5 mos on Twitter
Tweets: 0.2/day • 47% new, 36% replies, 8% retweets, 9% quotes
22,222 76 
40. profile imageAlan Duffy
@astroduff


A/Professor in Astrophysics at @Swinburne and Lead Scientist of @RiAus Instagram.com/profalanduffy
Melbourne
alanrduffy.com
Google Scholar page
7 yrs, 0 mos on Twitter
Tweets: 7/day • 16% new, 42% replies, 11% retweets, 30% quotes
21,092 377 
41. profile imageProf. Nicole Gugliucci, Doctor of the Sky
@NoisyAstronomer


Physics professor, astronomer, education researcher, scicommer, advocate for equity in STEM. Geek, crossfitter, dog mom. She/her. 🏳️‍🌈 Tweets mine; RT≠endorse
New Hampshire, USA
noisyastronomer.com
Google Scholar page
YouTube channel
11 yrs, 1 mo on Twitter
Tweets: 13/day • 22% new, 47% replies, 18% retweets, 14% quotes
21,072 1,060 
42. profile imageProf. Lucie Green
@Dr_Lucie


Royal Society Research Fellow, physics Prof at UCL, chair of governors @ucl_academy. Sun & space. Chief Stargazer @popastro. Book: amzn.to/2nitfmi
UK
luciegreen.com
9 yrs, 1 mo on Twitter
Tweets: 3/day • 14% new, 33% replies, 35% retweets, 18% quotes
20,900 615 
43. profile imagePete Lawrence
@Avertedvision


Sky at Night presenter, Stargazing Live consultant/contributor. Writes/illustrates the monthly Sky Guide for Sky at Night mag. digitalsky.org.uk
Selsey, England
nightskydiary.com
10 yrs, 2 mos on Twitter
Tweets: 3/day • 44% new, 30% replies, 26% retweets, 0% quotes
19,578 418 
44. profile imageJavier Armentia🏳️‍🌈
@javierarmentia


Astrofísico, comunicador científico, escéptico, ateo, mala gente en general. Ah, y gay. FAV a las cosas riquiñas (que es el dientes dientes de intenné)
Pamplona
javierarmentia.com
Google Scholar page
10 yrs, 1 mo on Twitter
Tweets: 9/day • 30% new, 28% replies, 41% retweets, 2% quotes
18,799 829 
45. profile imageSarafina Nance
@starstrickenSF


I study exploding stars & cosmology | Astrophysics Ph.D student @UCBerkeley | @NSF fellow | BRCA2 previvor making cancer my bitch | IG: @saranovafina | she/her
Berkeley, CA
3 yrs, 10 mos on Twitter
Tweets: 6/day • 8% new, 87% replies, 4% retweets, 1% quotes
18,030 170 
46. profile imageAdam Frank
@AdamFrank4


Astrophysicist: U of Rochester. Blog: 13.8 Orbiter. Sometimes NPR, NYTimes, Atlantic, others. Book: Light of the Stars: Alien Worlds and the Fate of the Earth.
University of Rochester
facebook.com/AdamFrankAutho…
7 yrs, 11 mos on Twitter
Tweets: 3/day • 27% new, 33% replies, 0% retweets, 40% quotes
17,892 622 
47. profile imageProf. Lisa Harvey-Smith
@lisaharveysmith


Astrophysicist, Australian Government Women in STEM Ambassador, Author #WhenGalaxiesCollide & #UnderTheStars, Stargazing Live presenter, Ultramarathoner. 🌈
Australia
lisaharveysmith.com
7 yrs, 8 mos on Twitter
Tweets: 3/day • 26% new, 43% replies, 23% retweets, 8% quotes
17,573 282 
48. profile imageJedidah Isler, PhD
@JedidahIslerPhD


Astrophysicist / Professor / Relentless Dreamer / Innovator / Founder & Host @VanguardSTEM / Senior @TEDFellow / @NatGeo Explorer [she]
JedidahIslerPhD.com
8 yrs, 11 mos on Twitter
Tweets: 4/day • 11% new, 27% replies, 35% retweets, 27% quotes
16,719 478 
49. profile imageHakeem Oluseyi
@HakeemOluseyi


STRIVE | Astrophysicist | TV Personality | Inventor | Educator | Author | Speaker | Actor | Voice Actor | Life Changer | OG | Book me: bit.ly/2yHagoS
Washington, DC
fit.edu/faculty-profil…
6 yrs, 9 mos on Twitter
Tweets: 3/day • 26% new, 39% replies, 16% retweets, 19% quotes
16,078 331 
50. profile imageLucianne Walkowicz
@shaka_lulu


Astronomer @AdlerPlanet, co-founder @JustSpaceOrg, multimedia artist. Ethics of Mars exploration, exoplanets, social justice. Opinions my own.
Chicago, IL
tangledfields.com
Google Scholar page
8 yrs, 5 mos on Twitter
Tweets: 5/day • 32% new, 25% replies, 39% retweets, 2% quotes
15,967 464 
51. profile imageEthan Siegel
@StartsWithABang


The Universe is: Expanding, cooling, and dark. It starts with a bang! #Cosmology Science writer, astrophysicist, author, Forbes & NASA columnist.
Portland, OR
forbes.com/sites/startswi…
Patreon page
8 yrs, 3 mos on Twitter
Tweets: 6/day • 16% new, 62% replies, 19% retweets, 2% quotes
15,396 744 
52. profile imageNick Howes
@NickAstronomer


Astronomer, Consultant and Science Writer - Fellow of Royal Astronomical Society. Director of Aerolite Meteorites in UK/Europe
Cherhill in Wiltshire
meteorites.io
9 yrs, 7 mos on Twitter
Tweets: 19/day • 20% new, 47% replies, 21% retweets, 12% quotes
14,919 618 
53. profile imageProf. Abel Méndez
@ProfAbelMendez


Planetary Astrobiologist and Director of the @PlanetaryHabLab. Looking at habitable worlds from the Arecibo Observatory. #exoplanets #astrobiology #habitability
Arecibo, Puerto Rico
phl.upr.edu
9 yrs, 8 mos on Twitter
Tweets: 25/day • 36% new, 7% replies, 57% retweets, 1% quotes
*Follows 0.81 feeds per follower
14,782* 762 
54. profile imageSébastien Carassou 🌎
@FlashCordon


Astrophysicien, vidéaste (#LeSOW, @StringTheoryFR, @Billes2sciences), conférencier, cofondateur de @Asso_Conscience et @EnDirectDuLabo (Crédit PP: K. Zihnioglu)
Le cosmos est mon campement.
youtube.com/channel/UCjsHD…
8 yrs, 1 mo on Twitter
Tweets: 14/day • 26% new, 15% replies, 56% retweets, 2% quotes
14,420 336 
55. profile imageAmber Straughn
@astraughnomer


Arkansas native & @NASA astrophysicist. Climate change is real. Pilot, yogini, homebrewer, Great Dane mom, @PearlJam fan, Razorback 🏈 fan, #FirstGen Tweets mine
Lukin's
amberstraughn.com
8 yrs, 2 mos on Twitter
Tweets: 4/day • 26% new, 23% replies, 45% retweets, 6% quotes
13,844 491 
56. profile imageSarah Tuttle
@niais


Astrophysicist. We're not going to be shady, just fierce. Professor. Vitals read normal but face reads murderous. 100% problematic. She/her.
Here, I guess.
11 yrs, 6 mos on Twitter
Tweets: 2/day • 9% new, 39% replies, 50% retweets, 2% quotes
13,631 412 
57. profile imageAnna Frebel
@annafrebel


Astronomer & stellar archaeologist searching for the oldest stars in the universe (yes, they are 12-13 billion yrs old!); also professor at MIT & author
Cambridge, MA, USA
annafrebel.com
6 yrs, 1 mo on Twitter
Tweets: 1/day • 17% new, 53% replies, 15% retweets, 15% quotes
13,223 171 
58. profile imageMC Stardust ✨ Inclusion Rider 4 Life
@Summer_Ash


Astrophysicist by day and all around rock-it scientist whenever I get my act together. Tweets are my own opinions. Intersectional or GTFO. 1/2 of @startorialist
Moon/New York City
summerash.com
9 yrs, 3 mos on Twitter
Tweets: 34/day • 10% new, 32% replies, 52% retweets, 6% quotes
13,144 575 
59. profile imageChristine Corbett Moran
@corbett


Technical Group Supervisor Cyber Defense Engineering&Research @NASAJPL, Author, Mom. Past: @Caltech, @SpaceX, @MIT, @SignalApp, @SPTelescope. 🔭@ScienceCorbett
Pasadena, CA
christinecorbettmoran.com
Google Scholar page
9 yrs, 2 mos on Twitter
Tweets: 7/day • 20% new, 53% replies, 21% retweets, 6% quotes
12,875 512 
60. profile imagePaul M. Sutter
@PaulMattSutter


Astrophysicist, Agent to the Stars
pmsutter.com
Google Scholar page
YouTube channel
7 yrs, 2 mos on Twitter
Tweets: 2/day • 46% new, 7% replies, 46% retweets, 0% quotes
*Follows 0.64 feeds per follower
12,539* 302 
61. profile imageEllen Stofan
@EllenStofan


John and Adrienne Mars Director of National Air and Space Museum, Planetary geologist, STEM advocate, former Chief Scientist of NASA. My tweets are my own.
Washington, DC
airandspace.si.edu/stories/editor…
7 yrs, 5 mos on Twitter
Tweets: 3/day • 14% new, 9% replies, 69% retweets, 8% quotes
12,341 403 
62. profile imageTim O'Brien
@ProfTimOB


Professor of Astrophysics, Associate Director @jodrellbank, Director Teaching UoM Physics, Science @bluedotfestival, sometimes on TV & radio. Own views.
❤️ Manchester 🐝
proftimobrien.com
Google Scholar page
10 yrs, 4 mos on Twitter
Tweets: 7/day • 22% new, 54% replies, 17% retweets, 8% quotes
12,172 265 
63. profile imageAlasdair Allan
@aallan


Scientist, author, hacker, maker, and journalist. Writes, speaks, and builds. Accidental privacy advocate. My DM's are open, or 📫 [email protected]
Exeter, UK and ✈️
alasdairallan.com
11 yrs, 3 mos on Twitter
Tweets: 9/day • 26% new, 47% replies, 1% retweets, 26% quotes
11,475 959 
64. profile imagePriyamvada Natarajan
@SheerPriya


@Yale astrophysicist, works on exotica in the universe: dark matter, black holes; Author: Mapping the Heavens • https://t.co/DuzePWpq2N
New Haven, CT
amazon.com/gp/aw/d/030020…
Google Scholar page
3 yrs, 4 mos on Twitter
Tweets: 2/day • 24% new, 67% replies, 1% retweets, 8% quotes
10,999 140 
65. profile imageDr. Jessie Christiansen
@aussiastronomer


NASA Research Scientist | #exoplaneteer | #WomenInStem advocate | Science curator at @NASAExoArchive | Usual nerd grab-bag of fandoms | She/her
Caltech, Pasadena, CA, USA
spider.ipac.caltech.edu/staff/christia/
5 yrs, 6 mos on Twitter
Tweets: 9/day • 20% new, 48% replies, 15% retweets, 18% quotes
10,889 272 
66. profile imageDr James O'Donoghue
@physicsJ


Planetary Scientist @JAXA_en. Previously @NASA @BU_tweets @uniofleicester @Aberuni. From 🇬🇧, 5 years 🇺🇸, now in 🇯🇵! Tweets/animations my own (ジェームス オドノヒュー
Tokyo, Japan
jamesodonoghue.wixsite.com/home
Google Scholar page
YouTube channel
8 yrs, 6 mos on Twitter
Tweets: 2/day • 11% new, 64% replies, 18% retweets, 7% quotes
10,485 128 
67. profile imageSimon DeDeo
@SimonDeDeo


Faculty, Carnegie Mellon University & the Santa Fe Institute. Runs the Laboratory for Social Minds.
Pittsburgh, PA
santafe.edu/~simon
Google Scholar page
5 yrs, 4 mos on Twitter
Tweets: 7/day • 7% new, 49% replies, 39% retweets, 5% quotes
*Follows 0.50 feeds per follower
10,407* 252 
68. profile imageBryan Gaensler 📡🧲
@SciBry


Astronomer, Director of @DunlapInstitute at @UofT, @LRP2020 cochair. Sci-fi connoisseur, rugby devotee, displaced Antipodean, perplexed parent. Opinions ∉ @UofT
Toronto, Canada  he/him
bryangaensler.net
Google Scholar page
9 yrs, 11 mos on Twitter
Tweets: 12/day • 14% new, 39% replies, 45% retweets, 2% quotes
10,237 373 
69. profile imageHarold Geller
@AstroBioProf


Observatory Director (George Mason University) Astrosciences, science, education. NASA/JPL Solar System Ambassador. Opinions are my own. Links not= endorsements
Fairfax, Virginia
physics.gmu.edu/~hgeller/
10 yrs, 4 mos on Twitter
Tweets: 11/day • 89% new, 1% replies, 9% retweets, 1% quotes
*Follows 0.85 feeds per follower
10,210* 302 
70. profile imageRisa Wechsler
@RisaWechsler


astrophysicist. cosmologist. maker of universes, surveyer of the skies. professor of physics @stanford, director of @kipac1. talks: bit.ly/risamovies
San Francisco
risawechsler.com
Google Scholar page
6 yrs, 10 mos on Twitter
Tweets: 2/day • 16% new, 53% replies, 9% retweets, 22% quotes
10,010 194 
71. profile imageDr Tabetha Boyajian
@tsboyajian


Assistant professor of Astrophysics at #LSU. disrupter of astrophysics; #BoyajiansStar #TabbysStar; all posts here are my own
Baton Rouge, LA
wherestheflux.com
Google Scholar page
9 yrs, 11 mos on Twitter
Tweets: 0.6/day • 29% new, 53% replies, 15% retweets, 4% quotes
9,802 222 
72. profile imageDr. Anita Sengupta
@Doctor_Astro


Aerospace Engineer, Pilot, CPO and Co-founder @AirspaceXP, Prof @USC, fmr @NASA Rocket Scientist, Motorcyclist, @TEDx Speaker, Life after Landing @marscuriosity
Alpha Quadrant
AnitaSengupta.com
7 yrs, 6 mos on Twitter
Tweets: 4/day • 42% new, 35% replies, 13% retweets, 10% quotes
9,791 336 
73. profile image★ dr amanda bauer ★
@astropixie


Head of Education & Public Outreach for LSST. Music creator. Co-host of #CosmicVertigo space podcast abc.net.au/radionational/…
Tucson, AZ
amandabauer.blogspot.com
11 yrs, 3 mos on Twitter
Tweets: 6/day • 14% new, 37% replies, 30% retweets, 20% quotes
9,646 461 
74. profile imageEd Copeland
@ProfEdCopeland


Particle cosmologist working on the Early Universe at the University of Nottingham. Views expressed are my own.
Nottingham, UK
7 yrs, 1 mo on Twitter
Tweets: 0.7/day • 28% new, 50% replies, 12% retweets, 10% quotes
9,558 170 
75. profile imageEd Lu
@astroEdLu


Finding a million asteroids!
Pale Blue Dot
sentinelmission.org
7 yrs, 5 mos on Twitter
Tweets: 0.4/day • 39% new, 11% replies, 49% retweets, 1% quotes
9,518 271 
76. profile imageKeri Bean
@PlanetaryKeri


NASA Rey. Final Tactical Uplink Lead for Oppy. Mars rover driver in training for @MarsCuriosity and training lead for #Mars2020. R2-D2's mom. Hufflepuff.
Pasadena, CA
keribean.com
8 yrs, 2 mos on Twitter
Tweets: 15/day • 38% new, 51% replies, 7% retweets, 5% quotes
9,418 520 
77. profile imageDr. Emily Petroff
@ebpetroff


Astronomer.Reader.Random number generator. Veni Fellow studying fast radio bursts 📡💥 at the University of Amsterdam in the API 🏳️‍🌈
The Netherlands
ebpetroff.com
6 yrs, 0 mos on Twitter
Tweets: 3/day • 28% new, 55% replies, 7% retweets, 10% quotes
9,319 133 
78. profile imageAnna Hughes
@AnnaGHughes


Astrophysics PhD candidate // thesis on space weather of ultracool dwarfs. Into snowboarding, ultimate, & sci-fi.
Vancouver, British Columbia
2 yrs, 8 mos on Twitter
Tweets: 4/day • 13% new, 71% replies, 13% retweets, 2% quotes
9,185 121 
79. profile imageJ Richard Gott
@JRichardGott


Astrophysicist. WELCOME TO THE UNIVERSE w/ @neiltyson, M. Strauss amazon.com/Welcome-Univer…; THE COSMIC WEB
Princeton, New Jersey
sizinguptheuniverse.com
8 yrs, 9 mos on Twitter
Tweets: 0.7/day • 72% new, 2% replies, 19% retweets, 8% quotes
9,087 304 
80. profile imageKen Rice
@theresphysics


Interested in science communication, in particular about climate change. Professor of Computational Astrophysics, University of Edinburgh. Views own, of course.
andthentheresphysics.wordpress.com
Google Scholar page
6 yrs, 3 mos on Twitter
Tweets: 19/day • 5% new, 63% replies, 26% retweets, 6% quotes
9,029 271 
81. profile imageSarah Kendrew
@sarahkendrew


Astronomer with the European Space Agency. Based at the Space Telescope Science Institute in Baltimore. Astronomy, running, bikes. Opinions my own. 🇧🇪🇬🇧
Baltimore
skendrew.github.io
Google Scholar page
11 yrs, 10 mos on Twitter
Tweets: 10/day • 7% new, 40% replies, 36% retweets, 17% quotes
8,832 410 
82. profile imageDr. Karan Jani
@AstroKPJ


Black Hole Astrophysicist + @LIGO Scientist | @Forbes ‘30 Under 30’, @TEDtalks speaker
Nashville, TN
KaranJani.com
8 yrs, 1 mo on Twitter
Tweets: 3/day • 30% new, 31% replies, 13% retweets, 26% quotes
8,751 112 
83. profile imageMichele Bannister
@astrokiwi


Planetary astronomer, poet, hunter of new and strange worlds. Connoisseur of fuzzy dots of light. Asteroid (10463). PDRF @AstroQUB; lecturer @ucnz from Feb 2020
she/her; living the life non-sidereal
astro.uvic.ca/~micheleb/
10 yrs, 4 mos on Twitter
Tweets: 6/day • 15% new, 63% replies, 11% retweets, 11% quotes
8,636 370 
84. profile imageBrooke Simmons
@vrooje


Distracted astrophysicist researching galaxies & black holes; on @galaxyzoo & @the_zooniverse teams. Also planetaryresponsenetwork.org lead. (She/her)
United Kingdom
vrooje.github.io
10 yrs, 10 mos on Twitter
Tweets: 2/day • 9% new, 37% replies, 48% retweets, 6% quotes
8,581 217 
85. profile imageProf. Karen Masters 💫⭐️✨
@KarenLMasters


Professor of astrophysics @haverfordedu. Investigating galaxies with @GalaxyZoo @SDSSurveys. Touch a galaxy @TactileUniverse. Mostly tweeting astronomy. British
Ardmore, PA
klmasters.sites.haverford.edu
Google Scholar page
10 yrs, 4 mos on Twitter
Tweets: 10/day • 17% new, 44% replies, 35% retweets, 5% quotes
8,483 382 
86. profile imageAlessondra Springmann
@sondy


asteroids, comets, sounding rockets, @AreciboRadar/🇵🇷 love, cacti, geology, autoimmune disease, puns, cat herding, rants, 小惑星レーダー天文学者, she/her
Chukson / Tucson, AZ
sondy.com
Google Scholar page
9 yrs, 2 mos on Twitter
Tweets: 18/day • 12% new, 70% replies, 13% retweets, 6% quotes
8,447 355 
87. profile imageJim_Bell
@Jim_Bell


Jim is a Professor in the School of Earth & Space Exploration at ASU, an active planetary science researcher and author, and President of The Planetary Society.
jimbell.sese.asu.edu
Google Scholar page
10 yrs, 7 mos on Twitter
Tweets: <0.05/day • 72% new, 5% replies, 17% retweets, 5% quotes
8,271 251 
88. profile imageMolly Peeples
@astronomolly


Astronomer in the Science Policies Group @STScI playing with galaxies & gas, real & fake. #Hubble, #JWST, #WFIRST pay the bills; opinions are my own. She/her.
Baltimore, MD, z=0
molly.science
Google Scholar page
6 yrs, 9 mos on Twitter
Tweets: 13/day • 12% new, 69% replies, 14% retweets, 6% quotes
7,860 212 
89. profile imageSara Seager
@ProfSaraSeager


Prof. Seager is an astrophysicist and planetary scientist at MIT. A pioneer in the vast world of exoplanets, she's on a quest for the holy grail: another Earth.
Cambridge, MA
seagerexoplanets.mit.edu
8 yrs, 9 mos on Twitter
Tweets: 0.1/day • 41% new, 37% replies, 15% retweets, 7% quotes
7,594 361 
90. profile imageDr Rachael Livermore
@rclivermore


Astrophysicist | Science Communicator. She/her. Videos of my public talks at bit.ly/SciTalks
London, England
rlivermore.com
11 yrs, 0 mos on Twitter
Tweets: 9/day • 12% new, 69% replies, 14% retweets, 5% quotes
7,452 220 
91. profile imageJulianne Dalcanton
@dalcantonJD


Astrophysicist at the University of Washington. Principal Investigator of the Panchromatic Hubble Andromeda Treasury (PHAT).
7 yrs, 6 mos on Twitter
Tweets: 10/day • 1% new, 59% replies, 31% retweets, 8% quotes
7,404 299 
92. profile imageDr. Alfredo Carpineti 🏳️‍🌈
@DrCarpineti


Astrophysicist, science writer for @IFLScience, geek, immigrant, and also @TheAstroholic. Chair of @PrideinSTEM. Found mostly bothering @illucifer. He/him
London
theastroholic.co.uk
10 yrs, 5 mos on Twitter
Tweets: 10/day • 6% new, 49% replies, 41% retweets, 4% quotes
7,388 119 
93. profile imageÁngel López-Sánchez
@El_Lobo_Rayado


🇪🇸🇦🇺 Astrophysicist & Science Communicator at @AAOMacquarie @MQPhysAstro Australia. Español: https://t.co/qPaSJrZj7o y https://t.co/jYnDPE3jZ5
Sydney, Australia
angelrls.wordpress.com
8 yrs, 2 mos on Twitter
Tweets: 12/day • 5% new, 47% replies, 28% retweets, 20% quotes
7,359 364 
94. profile imageDr Jane MacArthur
@Jane_MacArthur


Planetary scientist studying meteorites & comet dust. Writer @PopAstro. Fellow & elected Councillor @RoyalAstroSoc #RAS200 #Violinist #FCA
Mars
janemac.org
Google Scholar page
10 yrs, 5 mos on Twitter
Tweets: 2/day • 24% new, 45% replies, 22% retweets, 10% quotes
7,355 319 
95. profile imageDavid W Hogg
@davidwhogg


astronomy, cosmology, stars, exoplanets, inference, engineering, data analysis, emcee, The Cannon, Astrometry.net, The Tractor, #openscience, #otherpeoplesdata
New York City
dwh.gg/dwhogg
Google Scholar page
8 yrs, 3 mos on Twitter
Tweets: 3/day • 30% new, 63% replies, 5% retweets, 2% quotes
7,039 240 
96. profile imageTrueSciPhi / Kelly Truelove
@TrueSciPhi


A window on science, philosophy, and mathematics communities on social media, by Kelly Truelove (physics PhD). See site for more. Photos original.
Austin, Texas
TrueSciPhi.org
Google Scholar page
YouTube channel
4 yrs, 1 mo on Twitter
Tweets: 0.2/day • 42% new, 19% replies, 31% retweets, 8% quotes
6,967 250 
97. profile imageMario Livio
@Mario_Livio


Internationally known astrophysicist. Author: The Golden Ratio, Brilliant Blunders, WHY? mario-livio.com
Baltimore,MD
mario-livio.com
7 yrs, 3 mos on Twitter
Tweets: 7/day • 22% new, 0% replies, 52% retweets, 26% quotes
6,919 371 
98. profile imageDr JJ Eldridge
@astro_jje


NZ theoretical astrophysicist studying exploding binary stars. Lecturer, Speaker, Sci-fi addict, feminist, enby trans femme. Pronouns: them/they.
Auckland, New Zealand
jjeldridge.blogs.auckland.ac.nz
Google Scholar page
6 yrs, 2 mos on Twitter
Tweets: 23/day • 11% new, 37% replies, 48% retweets, 4% quotes
6,739 155 
99. profile imageMichael Merrifield
@AstroMikeMerri


Professor of astronomy and head of physics at the University of Nottingham. Too frequent appearances in media (both old and new). All my own views.
Nottingham
about.me/michael.merrif…
Google Scholar page
8 yrs, 0 mos on Twitter
Tweets: 13/day • 8% new, 87% replies, 1% retweets, 5% quotes
6,723 172 
100. profile imageDr Chiara Mingarelli
@Dr_CMingarelli


Gravitational-wave astrophysicist. Associate Research Scientist at @FlatironCCA. Views my own.
New York, NY
chiaramingarelli.com
Google Scholar page
8 yrs, 4 mos on Twitter
Tweets: 11/day • 14% new, 21% replies, 57% retweets, 9% quotes
6,718 419 
101. profile imageLewis Dartnell
@lewis_dartnell


Prof., astrobiology researcher, science communicator & book author (the-knowledge.org | geni.us/origins)
London
lewisdartnell.com
10 yrs, 2 mos on Twitter
Tweets: 5/day • 10% new, 20% replies, 67% retweets, 3% quotes
6,582 357 
102. profile imageMatt O'Dowd
@matt_of_earth


Earthling, astrophysicist, professor at @LehmanCollege, Physics DEO at @GC_CUNY, associate at @AMNH, host & writer of @PBSSpaceTime, free to a good home
New York, NY
3 yrs, 10 mos on Twitter
Tweets: 0.1/day • 43% new, 43% replies, 8% retweets, 7% quotes
6,572 99 
103. profile imageNatalie Batalha
@nbatalha


Eukaryote on planet Earth using self-awareness and empathy to experience love and seek knowledge. Astronomer involved in search for life on exoplanets.
Silicon Valley, California
10 yrs, 5 mos on Twitter
Tweets: 1/day • 30% new, 48% replies, 2% retweets, 20% quotes
6,508 324 
104. profile imageProf. Chris Welch
@ProfChrisWelch


@ISUnet space prof, also @WorldSpaceWeek @BIS_Spaceflight @SpacelinkLF @AlunaLondon, @I4Interstellar @MoonVillageAssn @UniUndergrd @SpaceResourceWG
Strasbourg, France
isunet.edu/prof-christoph…
10 yrs, 6 mos on Twitter
Tweets: 2/day • 54% new, 7% replies, 38% retweets, 1% quotes
6,495 241 
105. profile imageJuan Diego Soler
@juandiegosoler


PhD. Astrofísico. Colombiano en 🇩🇪. Researcher of magnetic fields and ISM https://t.co/2C03GgZS65. Historias de ciencia en español https://t.co/mJbGUE04xc.
Germany
facebook.com/juandiegosoler…
8 yrs, 3 mos on Twitter
Tweets: 5/day • 36% new, 24% replies, 38% retweets, 2% quotes
6,464 92 
106. profile imageFranck Marchis
@AllPlanets


Planetary astronomer at the SETI Institute, CSO at Unistellar, husband, dad & crossfit athlete balancing his life. Tweet about space, our planet & human rights.
San Francisco
franckmarchis.com
Google Scholar page
8 yrs, 10 mos on Twitter
Tweets: 5/day • 56% new, 11% replies, 21% retweets, 10% quotes
6,331 409 
107. profile imageJason Wright
@Astro_Wright


Associate Professor of Astronomy and Astrophysics at Penn State. Son, husband, father, scientist, teacher, student, human. Mostly posting astronomy. Mostly.
State College, PA, USA
sites.psu.edu/astrowright/
Google Scholar page
6 yrs, 9 mos on Twitter
Tweets: 3/day • 19% new, 53% replies, 20% retweets, 8% quotes
6,301 214 
108. profile imageBecky Smethurst
@drbecky_


Astrophysicist researching how supermassive black holes affect galaxies. I get overly enthusiastic about space on YouTube: youtube.com/drbecky
Oxford, England
drbecky.uk.com
YouTube channel
10 yrs, 3 mos on Twitter
Tweets: 1/day • 16% new, 72% replies, 6% retweets, 6% quotes
6,168 152 
109. profile imageDr./Prof. Renée Hložek
@reneehlozek


South African cisgender, bisexual woman Assist. Astrophysics Prof., Rhodes scholar (and lover of loud karaoke), Senior TED Fellow. Feminist scientist. She/her
Toronto, Ontario
reneehlozek.com
Google Scholar page
9 yrs, 11 mos on Twitter
Tweets: 4/day • 20% new, 54% replies, 17% retweets, 9% quotes
6,136 251 
110. profile imageJames Tuttle Keane
@jtuttlekeane


postdoc at @Caltech 📚 | geophysics of rocky & icy worlds 🌔 | planetary missions 🚀 | science illustrator 🎨 | trekkie 🖖 | dog dad 🐶 | he/him | 🏳️‍🌈
Pasadena, CA
jamestuttlekeane.com
5 yrs, 3 mos on Twitter
Tweets: 2/day • 14% new, 33% replies, 50% retweets, 3% quotes
6,119 211 
111. profile image★ Colin Stuart ★
@skyponderer


Astronomy author & speaker. Get a free e-book @ bit.ly/2zjaIee. See www for signed books, keynotes & school talks. Asteroid (15347) Colinstuart
London
colinstuart.net
10 yrs, 7 mos on Twitter
Tweets: 3/day • 20% new, 17% replies, 53% retweets, 11% quotes
6,038 432 
112. profile imagePeter Coles 🌈 🇪🇺 🇮🇪
@telescoper


Theoretical astrophysicist specialising in the Universe and all that surrounds it. Also jazz, opera, poetry & crosswords. Beard of the Year 2018. He/Him. #FBPE
Maynooth, Co Kildare, Ireland
telescoper.wordpress.com
Google Scholar page
9 yrs, 8 mos on Twitter
Tweets: 21/day • 30% new, 27% replies, 29% retweets, 14% quotes
6,024 328 
113. profile imageDan Hooper
@DanHooperAstro


Physicist and author at Fermilab and the University of Chicago
Chicago, IL
1 yr, 7 mos on Twitter
Tweets: 2/day • 12% new, 35% replies, 41% retweets, 11% quotes
5,982 116 
114. profile imageHolger Voss
@SpaceHolgar


Space geek, Space & STE(A)M educator/communicator, Astrophysicist worked for #GaiaMission, Scale model rocketeer, Mission director #MoonDot team
3rd Rock from the Sun
drrocket1.wordpress.com
5 yrs, 11 mos on Twitter
Tweets: 10/day • 0% new, 9% replies, 91% retweets, 0% quotes
5,773 187 
115. profile imageProf. Emily Rice, Ph.D.
@emilylurice


Astronomer at @macaulayhonors, @GC_CUNY, @AMNH, #BDNYC, #CUNYAstro; HQ for @AstronomyOnTap; 1/2 of @startorialist; host ⭐️ of @knitted_bd. Not @djcarlysagan 😜
Occupied Lunaape Land (NYC)
emilylrice.me
Google Scholar page
11 yrs, 10 mos on Twitter
Tweets: 3/day • 6% new, 39% replies, 45% retweets, 10% quotes
5,767 221 
116. profile imageMarc Kuchner
@marckuchner


NASA Citizen Science Lead, Astrophysicist, Songwriter.
Greenbelt, MD
marketingforscientists.com
10 yrs, 7 mos on Twitter
Tweets: 0.5/day • 29% new, 29% replies, 15% retweets, 27% quotes
5,728 202 
117. profile imageDavid Spergel
@DavidSpergel


Astrophysicist at Princeton University and Flatiron Institute
Princeton NJ
astro.princeton.edu/~dns
5 yrs, 6 mos on Twitter
Tweets: 0.6/day • 34% new, 25% replies, 25% retweets, 16% quotes
5,563 194 
118. profile imageJesse Shanahan 👉👉👉#ComSciCon19
@Enceladosaurus


Data scientist @BoozAllen. Astrophysicist. Passions: #AIEthics, video/boardgame #a11y, & 🍟. Cofounded @AAS_WGAD, created #disabledandSTEM. #EhlersDanlos
Stolen Manahoac Land
enceladosaur.us
8 yrs, 1 mo on Twitter
Tweets: 12/day • 10% new, 61% replies, 25% retweets, 4% quotes
5,539 220 
119. profile imageMapperwocky 📎⛰⚒
@cirquelar


Dr. Fred Calef III, working InSight, MSL, & Mars2020, PhD in Mars Geology, Sciengineering at @NASA_JPL Mapping landing sites for food (comments my own)[he/him]
Mars via JPL via Surf City
10 yrs, 0 mos on Twitter
Tweets: 25/day • 2% new, 27% replies, 69% retweets, 1% quotes
5,513 452 
120. profile imageMark McCaughrean
@markmccaughrean


Senior Advisor for Science & Exploration at the European Space Agency. Well aware of the (in)significance of being recycled starstuff. Opinions very much own.
Wassenaar, The Netherlands
3 yrs, 11 mos on Twitter
Tweets: 31/day • 10% new, 85% replies, 1% retweets, 4% quotes
5,475 187 
121. profile imageHalo CME
@halocme


Solar physicist (alum UTkyAst). I believe solar polar magnetic field must be measured properly before predictions of space weather and solar cycle make sense.
Palo Alto, California
5 yrs, 9 mos on Twitter
Tweets: 1.0/day • 68% new, 11% replies, 3% retweets, 19% quotes
5,450 227 
122. profile imageGuy Consolmagno
@specolations


Brother astronomer at the Vatican Observatory, occasional book author
6 yrs, 7 mos on Twitter
Tweets: 1/day • 10% new, 7% replies, 75% retweets, 8% quotes
5,438 175 
123. profile imageChris North
@chrisenorth


Lecturer & astronomer @CardiffPHYSX. Co-author of cosmos-book.github.io + other books, semi-regular broadcaster. Comments own. [he/his]
Cardiff (normally)
blogs.cardiff.ac.uk/chrisnorth
9 yrs, 9 mos on Twitter
Tweets: 3/day • 9% new, 55% replies, 24% retweets, 12% quotes
5,404 172 
124. profile imageMeredith Rawls
@merrdiff


Stellar astronomer and data management for @LSST. Also: mom, scicommer, violist, Episcopalian. Keep looking up. (She/her)
Seattle, WA
faculty.washington.edu/mrawls
9 yrs, 4 mos on Twitter
Tweets: 4/day • 19% new, 46% replies, 19% retweets, 17% quotes
5,281 172 
125. profile imageAmedeo Balbi
@amedeo_balbi


(Astro)physicist, associate professor @UniTorVergata. Columnist @Le_Scienze. Author
Roma, Italy
Google Scholar page
11 yrs, 3 mos on Twitter
Tweets: 1.0/day • 28% new, 11% replies, 57% retweets, 5% quotes
5,269 166 
126. profile imageKelle Cruz
@kellecruz


Astronomy Prof at @Hunter_College, @AMNH, and #BDNYC. Liveable streets. @Spurs. Founder, editor of @AstroBetter & CEO of @ScienceBetter. Coordinator of @Astropy
New York, NY
astrobetter.com
Google Scholar page
10 yrs, 5 mos on Twitter
Tweets: 2/day • 8% new, 40% replies, 45% retweets, 7% quotes
5,230 255 
127. profile imageGrant Tremblay
@astrogrant


Astrophysicist at the Center for Astrophysics | Harvard & Smithsonian. Previously @NASA Einstein Fellow @Yale, Fellow @ESO, & SDAS regular @STScI. Views my own.
Cambridge, MA
granttremblay.com
Google Scholar page
10 yrs, 4 mos on Twitter
Tweets: 2/day • 19% new, 23% replies, 44% retweets, 14% quotes
5,157 122 
128. profile imageJessica Kirkpatrick
@berkeleyjess


+‒‒‒—‒‒­ Jessica Ann Kirkpatrick, PhD ­‒‒‒‒‒‒+ +‒‒‒‒— Astrophysicist → Data Scientist ‒‒‒‒—+ @kittyplanets #catmom #scientist #techie #writer
San Francisco, CA
berkeleyjess.blogspot.com
10 yrs, 0 mos on Twitter
Tweets: 1/day • 40% new, 25% replies, 33% retweets, 2% quotes
5,089 293 
129. profile imageMeg Schwamb
@megschwamb


Planetary scientist, astronomer, Gemini North assistant scientist: KBOs, Planet Four(Mars), MBCs(Comet Hunters),LSST SSSC co-chair. Opinions tweeted are my own
Hilo, HI
megschwamb.com
9 yrs, 2 mos on Twitter
Tweets: 9/day • 18% new, 11% replies, 64% retweets, 6% quotes
5,010 268 
130. profile imageSimon Porter
@AscendingNode


Astrophysicist on the @NASANewHorizons mission to Pluto, 2014 MU69, and beyond. Research Scientist at @SwRI. Space, plane, and train dork. Minor planet 11467.
Boulder, CO, 1 AU
Google Scholar page
5 yrs, 11 mos on Twitter
Tweets: 18/day • 4% new, 60% replies, 27% retweets, 8% quotes
4,980 274 
131. profile imageMeg Rosenburg
@trueanomalies


planetary science PhD | #scicomm & #histSTM | freelancer, filmmaker, podcaster | megrosenburg.com | And what you do, do it unfeignedly.
Somerville, MA
megrosenburg.com
6 yrs, 7 mos on Twitter
Tweets: 5/day • 12% new, 24% replies, 51% retweets, 14% quotes
4,980 330 
132. profile imageJane Rigby
@janerrigby


Astronomer @nasa studying black holes & galaxies w/ telescopes around world & in space, helping build @NASAWebb. Queer parent scientist UU activist. Views mine.
DC Metro
janerigby.net
8 yrs, 6 mos on Twitter
Tweets: 1/day • 30% new, 51% replies, 17% retweets, 3% quotes
4,974 116 
133. profile imageEmily Baldwin
@AstroEmz


Space Science Editor at EJR-Quartz for ESA, based at ESTEC. Tweets about space, running, coffee. Opinions own.
Leiden, Netherlands
10 yrs, 4 mos on Twitter
Tweets: 4/day • 20% new, 23% replies, 41% retweets, 18% quotes
4,973 301 
134. profile imageTom Kerss
@tomkerss


THE FOUNDER OF SPACEOLOGY. No relation to either Lady Gaga or Shaggy.
Greenwich, London
tomkerss.co.uk
10 yrs, 5 mos on Twitter
Tweets: 3/day • 34% new, 38% replies, 20% retweets, 8% quotes
4,970 213 
135. profile imageJackie Faherty
@jfaherty


Astrophysicist at @AMNH. Enthusiast for bringing the cosmos to the public @backyardworlds #womeninscience #BDNYC #manhattanhenge calculator. #scicomm
jackiefaherty.com
10 yrs, 4 mos on Twitter
Tweets: 1/day • 42% new, 29% replies, 17% retweets, 10% quotes
4,942 157 
136. profile imageJill Tarter
@jilltarter


Earthling, chief cheerleader for SETI, setiQuest, and the Allen Telescope Array Jack's wife - Shana's mom - Li Yao and Clara's grandma
Earth in the Cosmos
setistars.org
10 yrs, 4 mos on Twitter
Tweets: 0.1/day • 50% new, 9% replies, 21% retweets, 20% quotes
4,902 255 
137. profile imageProf Anna Watts
@drannawatts


Professor of Astrophysics @ Univ. of Amsterdam. Neutron stars (explosions, dense matter), X-ray astronomy. Mom, Migrant. Particles in stars blah blah.
Amsterdam
staff.fnwi.uva.nl/a.l.watts/
Google Scholar page
5 yrs, 1 mo on Twitter
Tweets: 9/day • 35% new, 45% replies, 15% retweets, 5% quotes
4,895 152 
138. profile imageAndy Rivkin
@asrivkin


Planetary astronomer on #TeamAsteroid; Gedankenband member and guitarist; Persistently Obstreperous.
#USAstronomyGoodwillAmbassador ⊗
imperturbable-music.blogspot.com
Google Scholar page
11 yrs, 1 mo on Twitter
Tweets: 17/day • 16% new, 51% replies, 21% retweets, 13% quotes
4,877 251 
139. profile imageLaura Seward Forczyk 🌙💫🚀
@LauraForczyk


Founder @Astralytical & @GASpaceAlliance. Space professional, scientist, & #FutureAstronaut. I tweet about NASA, women in science, aerospace industry & policy.
Atlanta, GA
astralytical.com
9 yrs, 2 mos on Twitter
Tweets: 4/day • 28% new, 60% replies, 3% retweets, 9% quotes
4,875 196 
140. profile imageAlice Sheppard
@PenguinGalaxy


Citizen scientist at @ucl_excites. ❤️ science for & by everyone. Enemy of Brexit. Views mine. @GalaxyZoo turned me into a penguin. She/her ⭐️🔭
ra=144.437, dec=2.759
togetherscience.eu/blog/introduci…
10 yrs, 5 mos on Twitter
Tweets: 48/day • 11% new, 55% replies, 24% retweets, 10% quotes
4,853 395 
141. profile imageJorge Melendez
@DrJorgeMelendez


Astrônomo USP Brasil. Ensino/Difusão/Pesquisa Astronomia Planetas Estrelas Galáxia. Teaching/Outreach/Research Astronomy Planets Stars Galaxy. Univ. São Paulo🇧🇷
www.astro.iag.usp.br/~jorge/
explainingtheuniverse.blogspot.com.br
Google Scholar page
4 yrs, 10 mos on Twitter
Tweets: 5/day • 59% new, 12% replies, 19% retweets, 10% quotes
4,849 69 
142. profile imageDr Jen Gupta
@jen_gupta


Professional space nerd. Expect astronomy, physics, science, scifi, outreach, public engagement, dogs, parenting, and general geekiness. Views my own. [she/her]
Winchester, UK
jengupta.com
9 yrs, 11 mos on Twitter
Tweets: 4/day • 33% new, 50% replies, 5% retweets, 12% quotes
4,755 201 
143. profile imageHeino Falcke
@hfalcke


Prof. Astropart Phys & Radio Astronomy, black hole shadow/chair Science Council EventHorizonTelescope, LOFAR, Moon/NCLE, Cologne, Netherlands, Europe, Christian
Radboud University, Nijmegen
astro.ru.nl/~falcke
Google Scholar page
7 yrs, 2 mos on Twitter
Tweets: 2/day • 18% new, 55% replies, 22% retweets, 6% quotes
4,571 90 
144. profile imageKevin Schawinski
@kevinschawinski


Co-founder/CEO @modulos_ai
Zurich, Switzerland
modulos.ai
Google Scholar page
8 yrs, 5 mos on Twitter
Tweets: 9/day • 18% new, 55% replies, 16% retweets, 10% quotes
4,559 255 
145. profile imageMaria Womack
@StarzanPlanets


Astrophysicist #observingrun #scipolicy #climatecrisis No pseudoscience. Looking up and out!
mariawomack.com
Google Scholar page
9 yrs, 11 mos on Twitter
Tweets: 5/day • 14% new, 63% replies, 21% retweets, 2% quotes
4,538 263 
146. profile imageMeg Urry
@Meg_Urry


Yale physics prof, likes supermassive black holes, teaching, writing, increasing participation in STEM, my family
Yale University
urrylab.yale.edu
7 yrs, 8 mos on Twitter
Tweets: 0.5/day • 43% new, 16% replies, 7% retweets, 34% quotes
4,523 231 
147. profile imageKonstantin Batygin
@kbatygin


Planetary Science Prof @ Caltech | Planet 9 | Exoplanets | Vox & Guitar @ TheSeventhSeason.net | Husband | Dad
Pasadena, CA
konstantinbatygin.com
Google Scholar page
3 yrs, 6 mos on Twitter
Tweets: 1/day • 26% new, 53% replies, 15% retweets, 5% quotes
4,463 130 
148. profile imageDr Maggie Lieu
@Space_Mog


An Astrophysicist working at @ESA. Trying to understand the dark Universe with statistics, ML & @ESA_Euclid. Youtuber. Science presenter. OMO
Community of Madrid, Spain
youtu.be/tWfhxY7D_70
Google Scholar page
YouTube channel
6 yrs, 1 mo on Twitter
Tweets: 3/day • 20% new, 66% replies, 7% retweets, 8% quotes
4,418 132 
149. profile imageArfon Smith
@arfon


Head of Data Science @stsci. Ex GitHubber. Zooniverse co-founder. Editor-in-chief of the Journal of Open Source Software.
Baltimore, MD
arfon.org
Google Scholar page
12 yrs, 6 mos on Twitter
Tweets: 2/day • 14% new, 24% replies, 52% retweets, 10% quotes
4,371 267 
150. profile imageDarkSapiens
@DarkSapiens


I used gravitational lenses to measure the size of quasars and constrain the amount of satellites in dark matter halos. Now studying active galaxies with ALMA.
Spain
darksapiens.blogspot.com
11 yrs, 3 mos on Twitter
Tweets: 53/day • 1% new, 44% replies, 52% retweets, 3% quotes
4,358 348 
151. profile imageDr. Sarah Milkovich
@milkysa


Science Operations Team Chief for NASA's Mars 2020 Rover. 🚀Previously on MRO/HiRISE, Curiosity, Cassini, Mars Phoenix. Opinions my own. HSP. Pronouns: she/her
Los Angeles, CA
planetarywanderings.wordpress.com
9 yrs, 6 mos on Twitter
Tweets: 3/day • 3% new, 23% replies, 67% retweets, 8% quotes
4,357 225 
152. profile imageDavid Kipping
@david_kipping


Exoplanets & Exomoons, Columbia University, Cool Worlds Lab. RTs ≠ endorsements
Manhattan, NY
coolworlds.astro.columbia.edu
Google Scholar page
YouTube channel
10 yrs, 4 mos on Twitter
Tweets: 2/day • 14% new, 63% replies, 16% retweets, 8% quotes
4,323 163 
153. profile imageLaura Parro
@LauraMParro


• Planetary scientist and #space lover🚀👩‍🚀 • Geologist 🌍  • PhD candidate at @unicomplutense 🔴 #Mars • #WomenInScience 👩‍🔬 #Outreach 🗣️ #Education 🎓🔭
Spain / Mars
lauramparro.wordpress.com
8 yrs, 9 mos on Twitter
Tweets: 2/day • 10% new, 33% replies, 49% retweets, 8% quotes
4,314 98 
154. profile imageCaleb Scharf
@caleb_scharf


Director of Astrobiology at Columbia University. Blog at Sci Am (#sciamblogs). Author of The Zoomable Universe, The Copernicus Complex, Gravity's Engines...
New York
calebscharf.com
8 yrs, 8 mos on Twitter
Tweets: 3/day • 49% new, 15% replies, 27% retweets, 8% quotes
4,303 314 
155. profile imageDr Sheila Kanani
@SaturnSheila


@RAS_outreach, edu & diversity officer, space comedian/ambassador. Coke float drinking pocket rocket, planetary physics, mum. Cofounder @STEMMsisters (she/her).
Londoner in Lytham St Annes UK
saturnsheila.wordpress.com
8 yrs, 7 mos on Twitter
Tweets: 4/day • 16% new, 23% replies, 53% retweets, 9% quotes
4,298 190 
156. profile imageEmma Chapman
@DrEOChapman


Astrophysicist, Royal Society Research Fellow, Imperial College London. Campaigner on sexual misconduct in HE w/ @1752group. Royal Society Athena 🏅 winner.
London, England
dremmachapman.wordpress.com
Google Scholar page
2 yrs, 9 mos on Twitter
Tweets: 4/day • 20% new, 57% replies, 19% retweets, 4% quotes
4,190 54 
157. profile imageErin Macdonald, Doctor of Spacetime
@drerinmac


PhD, Astrophysics. Science Fiction Consultant. Rocket Scientist by day, Warp Drive Expert by night. Tattooed Slytherin N7 Rebel from Starfleet. #DEEU She/Her
Los Angeles, CA
erinpmacdonald.com
10 yrs, 2 mos on Twitter
Tweets: 2/day • 8% new, 53% replies, 15% retweets, 24% quotes
4,170 144 
158. profile imagePeter Edmonds
@PeterDEdmonds


Work in astronomy publicity after surviving an astrophysics PhD & postdocs. Interested in #science & #scicomm. Opinions are mine & RTs aren't endorsements.
peterdedmonds.blogspot.com
7 yrs, 6 mos on Twitter
Tweets: 11/day • 16% new, 49% replies, 16% retweets, 20% quotes
4,149 314 
159. profile imageJames Bullock
@jbprime


#UCIrvine Astrophysicist, Dean #UCIPhysSci , Professor @UCIPhysAstro , Sometimes mumbler on @ScienceChannel #HTUW
Irvine, California, USA
physics.uci.edu/~bullock/
Google Scholar page
9 yrs, 11 mos on Twitter
Tweets: 2/day • 20% new, 15% replies, 57% retweets, 8% quotes
4,112 126 
160. profile image🦁 Leo C. Stein
@duetosymmetry


Physics Prof @ U of MS. Black holes, gravitational waves, general relativity & beyond. Formerly @Caltech @MIT @Cornell. Need thin pizza + fruity coffee. He/him
Oxford, MS
duetosymmetry.com
Google Scholar page
10 yrs, 4 mos on Twitter
Tweets: 5/day • 10% new, 47% replies, 40% retweets, 2% quotes
4,075 120 
161. profile imageDr Natalie Starkey
@StarkeyStardust


Started life as a geologist, sucked into space! Popular science author, science communicator, @SEPhysics Public Engagement Officer @OpenUniversity. She/Her.
United Kingdom
nataliestarkey.com
7 yrs, 5 mos on Twitter
Tweets: 2/day • 16% new, 62% replies, 5% retweets, 16% quotes
4,074 134 
162. profile imageAlyssa A. Goodman
@AlyssaAGoodman


Astronomy Professor at Harvard, CoDirector of Science at Radcliffe Institute. Loves data, visualization, Universe, education, people. Not in that order.
Massachusetts
cfa.harvard.edu/~agoodman
Google Scholar page
10 yrs, 5 mos on Twitter
Tweets: 2/day • 39% new, 18% replies, 31% retweets, 12% quotes
3,844 205 
163. profile imageKimberly EnnicoSmith
@kennicosmith


Scientist at NASA. Fueled by tea. Inspired by many. We can solve our planet's problems as part of space exploration. Views my own. Minor planet 154587.
Mountain View, CA
kandrsmith.org/KES/
11 yrs, 4 mos on Twitter
Tweets: 4/day • 43% new, 8% replies, 28% retweets, 21% quotes
3,795 299 
164. profile imageRobert Rutledge
@rerutled


Associate Professor @McGillUPhysics. Astrophysicist. Neutron Stars. Founder, Publisher of @astronomerstel. Out There Now outtherenow.blubrry.net
Montreal, QC
physics.mcgill.ca/~rutledge/
11 yrs, 8 mos on Twitter
Tweets: 7/day • 18% new, 33% replies, 18% retweets, 31% quotes
3,795 159 
165. profile imageMeghan Gray
@emeegray


Astronomer. Mother. Stranger in a strange land. All views my own.
Nottingham
nottingham.ac.uk/~ppzmeg
8 yrs, 0 mos on Twitter
Tweets: 0.8/day • 16% new, 52% replies, 16% retweets, 16% quotes
3,749 93 
166. profile imageTony Rice
@rtphokie


InfoSec data scientist by day, amateur astronomer, @NASAJPL Solar System Ambassador, and contributor to @WRAL & @WeatherBrains on space by night
Raleigh, NC, USA
about.me/tonyrice
10 yrs, 10 mos on Twitter
Tweets: 4/day • 34% new, 31% replies, 22% retweets, 13% quotes
3,715 220 
167. profile imageKristin Block
@MarsMaven


Spacecraft pro, taiko player, bassist, percussionist. Miami-Tucson-Bay Area. (Not affiliated with the mission @Maven2Mars!) Opinions my own and queer.
San Jose, CA
10 yrs, 1 mo on Twitter
Tweets: 4/day • 6% new, 69% replies, 17% retweets, 8% quotes
3,701 247 
168. profile imageAdam Becker
@FreelanceAstro


Writer, author, astrophysicist. Bylines: @nytimes @BBC @NPR @SciAm @NewScientist @Undark @Aeon & more. He/him. My book: whatisreal.freelanceastro.com
CA
freelanceastro.com
Google Scholar page
9 yrs, 2 mos on Twitter
Tweets: 0.8/day • 15% new, 59% replies, 22% retweets, 4% quotes
3,695 149 
169. profile imageAlberto Conti
@albertoconti


Astrophysicist & Director of New Business at Ball Aerospace - Tweets are my own, at least in this multiverse. en.wikipedia.org/wiki/Alberto_C…
Colorado, USA
en.m.wikipedia.org/wiki/Alberto_C…
Google Scholar page
11 yrs, 0 mos on Twitter
Tweets: 5/day • 53% new, 6% replies, 39% retweets, 2% quotes
3,694 216 
170. profile imageEmily Levesque ✨🔭🤓🏳️‍🌈
@emsque


Astronomy professor, author, weird star enthusiast | THE LAST STARGAZERS, my book of astronomy stories & adventures, is coming in 2020! thelaststargazers.com
Seattle, WA
emlevesque.com
9 yrs, 5 mos on Twitter
Tweets: 1/day • 26% new, 58% replies, 8% retweets, 8% quotes
3,628 82 
171. profile imageDr Ashley Nova ❤️🧡💛💚💙💜🖤
@DrAshleyNova


Cosmic Babe, Trans woman, Twitch Affiliate Streamer, Model, Author. Tweets my own. She/Her. Header: @PhysicsNews. Business Enquiries: [email protected]
twitch.tv/ashleynova
Google Scholar page
8 yrs, 7 mos on Twitter
Tweets: 7/day • 20% new, 39% replies, 33% retweets, 8% quotes
3,615 74 
172. profile imageJoshua Bloom
@profjsb


Astrophysics prof at @UCBerkeley; Co-founder of @WiseIO (acquired by GE); Inventor; Dad, Tennis everything. Anti #TransparentMoon. Tweets are my own (un)doing.
Berkeley, CA
astro.berkeley.edu/~jbloom
Google Scholar page
11 yrs, 1 mo on Twitter
Tweets: 1/day • 30% new, 34% replies, 25% retweets, 10% quotes
3,606 267 
173. profile imageDr Megan Argo
@AstroMeg


By day: just another transient astronomer. By night: samba drumming, rock climbing, public speaker, teacher and science advocate. facebook.com/DrMeganArgo
Planet Earth
drmeganargo.net
10 yrs, 4 mos on Twitter
Tweets: 4/day • 46% new, 29% replies, 15% retweets, 10% quotes
3,576 282 
174. profile imageZita Martins
@ZitaMartins


Associate Professor of Astrobiology & Cosmochemistry. Science communicator. TEDxPorto speaker. BBC Expert Women. Oficial da Ordem Militar de Sant'Iago da Espada
fenix.tecnico.ulisboa.pt/homepage/ist31…
Google Scholar page
9 yrs, 1 mo on Twitter
Tweets: 2/day • 8% new, 29% replies, 55% retweets, 9% quotes
3,527 142 
175. profile imageLori Fenton
@LoriKFenton


I am a planetary aeolian geomorphologist at @SETIInstitute studying wind-formed features (like sand dunes). I blog about it: cosmicdiary.org/lfenton/. (she/her)
Bay area, California
seti.org/our-scientists…
Google Scholar page
7 yrs, 8 mos on Twitter
Tweets: 3/day • 14% new, 45% replies, 34% retweets, 6% quotes
3,518 192 
176. profile imageKatey Alatalo
@astrokatey


Ph.D. astronomer at STScI, currently housed at Carnegie. Space is amazing! My views are my own.
Pasadena, CA
stsci.edu/~kalatalo/
11 yrs, 1 mo on Twitter
Tweets: 2/day • 32% new, 26% replies, 39% retweets, 3% quotes
3,504 101 
177. profile imageMichael Busch
@michael_w_busch


Planetary astronomer, primarily studying piles of rock in space. Drinker of tea. Opinions expressed here are strictly my own. To bigotry no sanction.
6 yrs, 0 mos on Twitter
Tweets: 31/day • 5% new, 31% replies, 38% retweets, 26% quotes
3,500 151 
178. profile imageGeert Barentsen
@GeertHub


NASA Astronomer in Silicon Valley. Leads the wonderful @KeplerGO team at @NASAAmes. Belgian (like waffles). #KeplerMission #K2Mission
Mountain View, CA
geert.io
10 yrs, 1 mo on Twitter
Tweets: 2/day • 28% new, 65% replies, 5% retweets, 3% quotes
3,454 179 
179. profile imageJani Radebaugh
@radjanirad


Planetary scientist, BYU geology professor, purposeful explorer, aimless wanderer
Provo, UT, USA
lpl.arizona.edu/~jani/photos
Google Scholar page
6 yrs, 3 mos on Twitter
Tweets: 1/day • 36% new, 51% replies, 9% retweets, 4% quotes
3,450 131 
180. profile imageElizabeth Tasker
@girlandkat


UK astrophysicist working at the Japan Aerospace Exploration Agency (JAXA). Author of 'The Planet Factory', published by @sigmascience (views are my own~)
Japan
about.me/elizabethtasker
7 yrs, 8 mos on Twitter
Tweets: 9/day • 21% new, 60% replies, 8% retweets, 11% quotes
3,448 165 
181. profile imageDavid Charbonneau
@ExoCharbonneau


Exoplaneteer and Professor of Astronomy at Harvard. Girl Scout leader, hockey coach, and proud father of four daughters and future presidents.
Harvard University
cfa.harvard.edu/~dcharbon/Site…
Google Scholar page
5 yrs, 6 mos on Twitter
Tweets: 0.5/day • 26% new, 25% replies, 47% retweets, 2% quotes
3,442 103 
182. profile imageJo Dunkley
@j_dunkley


Professor of Physics and Astrophysics at Princeton. Author of Our Universe.
Princeton, NJ
physics.princeton.edu/~jdunkley
Google Scholar page
7 yrs, 9 mos on Twitter
Tweets: 0.3/day • 16% new, 27% replies, 38% retweets, 19% quotes
3,408 121 
183. profile imageSarah Ballard
@hubbahubble


Habitable worlds, kindness, fiction, etc. At ~75 km/s*Mpc! One half of @drssarahcare
Cambridge, MA
drballard.space
5 yrs, 5 mos on Twitter
Tweets: 5/day • 14% new, 9% replies, 76% retweets, 2% quotes
3,407 155 
184. profile imageDr. Carolina Ödman
@carolune


Assoc. Prof. @UWConline Physics & Astronomy. Assoc. Dir. Development & Outreach @Big_IDIA. @EPFL, @Cambridge_Uni Alum. ❤️ my family. On a cancer journey
Right here, right now
about.me/carolune
12 yrs, 0 mos on Twitter
Tweets: 3/day • 24% new, 35% replies, 29% retweets, 12% quotes
3,392 222 
185. profile imageMonica Grady
@MonicaGrady


short, round, bespectacled, busy and bossy. Opinions my own
monicamgrady.com
10 yrs, 3 mos on Twitter
Tweets: 0.9/day • 38% new, 1% replies, 8% retweets, 53% quotes
3,374 111 
186. profile imageDr. Josep M. Trigo
@Josep_Trigo


Astrophysicist & planetary scientist. Researcher at the Institute of Space Sciences (CSIC-IEEC) and engaged in science outreach. Just a Catalan Republic citizen
Barcelona, Catalan Republic
spmn.uji.es/ESP/trigo.html
Google Scholar page
7 yrs, 6 mos on Twitter
Tweets: 8/day • 4% new, 7% replies, 74% retweets, 15% quotes
3,355 144 
187. profile imageAndrew Pontzen
@apontzen


I do cosmology. Employed by UCL, funded by the Royal Society. Tweeting in a personal capacity: it’s no-one else’s fault when I talk nonsense.
London
andrew.pontzen.uk
Google Scholar page
8 yrs, 11 mos on Twitter
Tweets: 2/day • 18% new, 40% replies, 31% retweets, 12% quotes
3,306 161 
188. profile imageDr. John Barentine FRAS
@JohnBarentine


Director of Public Policy @IDADarkSky. Astronomer. Historian. Author. Vinyl junkie. Proud LGBT American. Retiring to asteroid 14505. Questioning everything.
Tucson, AZ, USA
johncbarentine.com
Google Scholar page
9 yrs, 3 mos on Twitter
Tweets: 13/day • 10% new, 27% replies, 54% retweets, 8% quotes
3,140 200 
189. profile imageRichard Easther
@REasther


Father, scientist, @AucklandUni prof, Kiwi diaspora returnee.'We are all in the gutter, but some of us are looking at the stars.'
Google Scholar page
8 yrs, 1 mo on Twitter
Tweets: 9/day • 6% new, 73% replies, 18% retweets, 4% quotes
3,130 90 
190. profile imageRobert Massey #FBPE
@RobertMMassey


Dad, Deputy Director @royalastrosoc, chair @lightyear_fdn. Co-author of Moon: Art, Science, Culture with @saschaloske. See bit.ly/2PpjMn0 #FBPE he/him
Bristol (Southville) & London
9 yrs, 11 mos on Twitter
Tweets: 3/day • 13% new, 39% replies, 36% retweets, 12% quotes
3,100 132 
191. profile imageDr Erin Ryan
@erinleeryan


Doctor of the flying space rocks who sciences data, curser of #Python, prez of Science on Cake Appreciation Society, collector of orchid plants, tweets mine.
The shores of the crab infeste
erinleeryan.com
9 yrs, 10 mos on Twitter
Tweets: 20/day • 32% new, 65% replies, 0% retweets, 2% quotes
3,079 212 
192. profile imageKurtis Williams
@professor_astro


Assistant professor at Texas A&M University - Commerce
Commerce, TX, USA
blog.professorastronomy.com
10 yrs, 4 mos on Twitter
Tweets: 0.8/day • 26% new, 39% replies, 31% retweets, 4% quotes
3,072 249 
193. profile imageJC Holbrook
@astroholbrook


Astrophysicist, Filmmaker, Cultural Astronomer. Hubble's Diverse Universe on Amazon.com BlackSunMovie.com videos.astroanthro.com/Science-Tourist
Kaapstad, ZA
uwcastro.org/our_team/holbr…
Google Scholar page
9 yrs, 11 mos on Twitter
Tweets: 1/day • 24% new, 17% replies, 43% retweets, 16% quotes
3,048 125 
194. profile imageDr. Julie Rathbun🌋
@LokiVolcano


Planetary scientist studying volcanoes on Io (favorite is Loki). Pronouns: she/her.
6 yrs, 9 mos on Twitter
Tweets: 7/day • 8% new, 29% replies, 53% retweets, 10% quotes
3,037 132 
195. profile imageKazu Akiyama
@sparse_k


Astrophysicist at @TheNRAO and @MITHaystack. EHT (@ehtelescope) astronomer photographing black holes. 天文研究者@MIT。 人類史上初のブラックホールの写真が撮れました! Tweeting in EN/JP
Massachusetts, USA
kazuakiyama.github.io
3 mos on Twitter
Tweets: 2/day • 15% new, 37% replies, 34% retweets, 14% quotes
3,029 47 
196. profile imageEd Rivera-Valentín 🇵🇷🏳️‍🌈
@PlanetTreky


Planetary Scientist at @LPItoday. Trekker of Planets, @PR_Planeteers & #TeamRadar w/ @AreciboRadar. #Boricua #LatinxInSTEM #LGBTQinSTEM (they/them)
Houston, TX
planettreky.com
6 yrs, 4 mos on Twitter
Tweets: 8/day • 38% new, 21% replies, 28% retweets, 14% quotes
3,019 124 
197. profile imageHaley Gomez
@astrofairy


I'm an Astrophysicist, love books, films astronomy, shoes and dresses.
Cardiff
haley.gomez.me.uk
Google Scholar page
9 yrs, 7 mos on Twitter
Tweets: 2/day • 10% new, 43% replies, 33% retweets, 14% quotes
3,016 156 
198. profile imageLena M
@LenaEarth


Doctor but not the one who helps people. (Astro)Physicist. Member at IAS. Past @Caltech, @imperialcollege, МГУ. Pilot. Redhead. Consulted for @Interstellar
1au from Sun, 8kpc from SgrA*
8 yrs, 4 mos on Twitter
Tweets: 0.4/day • 42% new, 35% replies, 21% retweets, 2% quotes
2,993 35 
199. profile imageGemma Lavender
@Gemma_Lavender


Editor-in-Chief, Science @FuturePlc, astrophysicist, FRAS. Books: Quantum Physics in Minutes, Haynes' Large Hadron Collider & Haynes’ Milky Way. Opinions own.
1 AU
spaceanswers.com
8 yrs, 2 mos on Twitter
Tweets: 2/day • 37% new, 16% replies, 37% retweets, 10% quotes
2,981 115 
200. profile imageRyan Anderson
@Ryan_B_Anderson


Dad. Planetary scientist. Science Communicator. Writer. Reader. I shoot rocks on Mars with a laser. Personal account: All views are my own.
Flagstaff, AZ
ryanbanderson.com/blog
Google Scholar page
10 yrs, 3 mos on Twitter
Tweets: 3/day • 18% new, 22% replies, 48% retweets, 12% quotes
2,980 274 
201. profile imageChristopher Berry
@cplberry


Astrophysicist studying #GravitationalWaves (@LIGO). @NUCIERA BOV Research Professor. Tweeting about science, education, LEGO & cake. May contain traces of nuts
Evanston, IL
cplberry.com
Google Scholar page
5 yrs, 3 mos on Twitter
Tweets: 5/day • 6% new, 71% replies, 15% retweets, 8% quotes
2,979 129 
202. profile imageDr. Jennifer L. Hoffman ✨
@astroprofhoff


Astronomer, associate professor, alto, auntie, ailurophile. She/her. University of Denver
Denver, CO
grammai.org/jhoffman/
5 yrs, 6 mos on Twitter
Tweets: 9/day • 13% new, 45% replies, 27% retweets, 15% quotes
2,968 141 
203. profile imageThiago S Goncalves
@thiagosgbr


Astrônomo no @ValongoUFRJ, divulgador, pai, geek extragaláctico, tudo junto. Colunista do @ultimosegundo com o Astronotícias.
Rio de Janeiro, Brazil
ultimosegundo.ig.com.br/colunas/astron…
Google Scholar page
9 yrs, 7 mos on Twitter
Tweets: 2/day • 13% new, 69% replies, 9% retweets, 8% quotes
2,906 28 
204. profile imageDr Sadie Jones
@SotonAstrodome


Outreach Leader in Astronomy @UniSouthampton Science Communicator & Manager of #OurGreatestTeam #SotonAstroArt & 'Dark Energy Project' #WomenInSTEM 🌈 she/her
University of Southampton
Google Scholar page
8 yrs, 1 mo on Twitter
Tweets: 3/day • 52% new, 16% replies, 22% retweets, 10% quotes
2,849 155 
205. profile imageDan F-M
@exoplaneteer


I write code for good & astrophysics.
NYC
dfm.io
Google Scholar page
7 yrs, 11 mos on Twitter
Tweets: 0.9/day • 16% new, 67% replies, 11% retweets, 6% quotes
2,822 88 
206. profile imageJamie Molaro
@spacejammie


Planetary scientist. Feminist. Artist. Musician. Maker. Dungeon Master. All around nerd. I make science at NASA/JPL & PSI. [she/her]
Altadena, CA
dataarcana.com
Google Scholar page
11 yrs, 5 mos on Twitter
Tweets: 4/day • 24% new, 55% replies, 16% retweets, 6% quotes
2,809 116 
207. profile imageBrad Tucker
@btucker22


Astrophysicist/Cosmologist - loves exploding stars, building things to go into space, and talking about all things science and space
Canberra, ACT, Australia, Planet III
mso.anu.edu.au/~brad
10 yrs, 1 mo on Twitter
Tweets: 2/day • 10% new, 67% replies, 15% retweets, 8% quotes
2,750 108 
208. profile imagePaul Crowther
@Paul_Crowther


@PhysicsShef Head of Dept at @unisheffield. Prof of Astrophysics mostly researching Monster Stars. Interested in UK sci policy esp @STFC_Matters's ups & downs
Peoples Republic of Sheffield
pacrowther.staff.shef.ac.uk
Google Scholar page
9 yrs, 7 mos on Twitter
Tweets: 2/day • 36% new, 15% replies, 40% retweets, 9% quotes
2,736 133 
209. profile imageKarin Sandstrom
@karinsandstrom


Assistant professor of astronomy and physics. Lover of coffee, interstellar dust, California, nerdy stuff. Originally from SW Washington.
San Diego, CA
karinsandstrom.github.io
Google Scholar page
10 yrs, 3 mos on Twitter
Tweets: 1/day • 12% new, 20% replies, 58% retweets, 11% quotes
2,735 75 
210. profile imageMoiya McTier
@GoAstroMo


Astrophysicist & Science communicator | she/her 💫 #scicomm | #BiInSci | #BlackAndSTEM 💫 Tryna be the next @BillNye
New York, NY
moiyamctier.com
5 yrs, 0 mos on Twitter
Tweets: 0.8/day • 14% new, 71% replies, 12% retweets, 4% quotes
2,718 62 
211. profile imagejorge moreno
@astroboy_moreno


💕💞♥️
Claremont, CA
movebold.ly
4 yrs, 11 mos on Twitter
Tweets: 2/day • 24% new, 49% replies, 14% retweets, 12% quotes
2,713 56 
212. profile imageJames Davenport
@jradavenport


Astronomer, maker of data and science things, Dad. All opinions are my own.
Seattle, WA
ifweassume.com
Google Scholar page
YouTube channel
7 yrs, 2 mos on Twitter
Tweets: 9/day • 8% new, 42% replies, 43% retweets, 6% quotes
2,680 166 
213. profile imageDr Liz⚡️MacDonald
@spaceyliz


Founder Aurorasaurus @tweetaurora, 🌌physicist, community science, wannabe poet at 💚, lover of kale, 🏔️ Views💯%mine | She/her
NASA Heliophysics, MD, mountains (preferably)
en.wikipedia.org/wiki/Liz_MacDo…
Google Scholar page
7 yrs, 8 mos on Twitter
Tweets: 4/day • 7% new, 40% replies, 37% retweets, 16% quotes
2,672 147 
214. profile imageFred Watson
@StargazerFred


Australia's Astronomer-at-large, writer, science communicator, good lighting advocate, traveller.
Sydney

5 yrs, 8 mos on Twitter
Tweets: 2/day • 31% new, 6% replies, 32% retweets, 31% quotes
2,667 69 
215. profile imageJonathan Tedds
@jtedds


Research Informatics, astro. @ELIXIREurope Compute Platform Coordinator. Hon Fellow @UniofLeicester. Lead @BRISSKit @REDinfx Ed @up_healthdata Chair @OWLS_Trust
Cambs, Leics & various UK/Europe
www2.le.ac.uk/departments/he…
Google Scholar page
10 yrs, 0 mos on Twitter
Tweets: 3/day • 18% new, 3% replies, 74% retweets, 6% quotes
2,624 163 
216. profile imageGene Gordon
@porchdragon


Chaotic, loud, fun-loving,30+ year Retired physics teacher. NBCT. NASA Fellow. STANYS Past President. I just want the world to love science - especially space!
Honeoye Falls,NY
facebook.com/Porchdragon
11 yrs, 1 mo on Twitter
Tweets: 7/day • 35% new, 35% replies, 21% retweets, 8% quotes
2,610 261 
217. profile imageDavid Montes
@DMontesG


Prof. Titular Universidad. Dpto. Astrofísica Facultad Ciencias Físicas, Universidad Complutense de Madrid (UCM), España, @CARMENES_exopl, @GaiaESO, @ObservaUCM
Madrid
ucm.es/info/Astrof/us…
Google Scholar page
8 yrs, 3 mos on Twitter
Tweets: 4/day • 16% new, 0% replies, 83% retweets, 0% quotes
2,607 97 
218. profile imageDr. Alex Lockwood
@AskAstroAlex


Alliterative atypical astrophysicist. Cecilia in the #PHDMovie. Outreach Scientist at Space Telescope. Launching #JWST and loving life! Opinions are my own.
Baltimore, MD
phdcomics.com/tv
6 yrs, 7 mos on Twitter
Tweets: 0.4/day • 31% new, 31% replies, 32% retweets, 6% quotes
2,589 104 
219. profile imageNicholas Hunt-Walker
@nhuntwalker


Application Developer @ Starbucks, Teacher, Data Scientist, Pythonista, Astronomer, Black guy, Father. Always looking to build & maintain dope shit. Get at me.
Seattle, WA
rationalwhimsy.com
5 yrs, 6 mos on Twitter
Tweets: 26/day • 4% new, 38% replies, 53% retweets, 4% quotes
2,589 154 
220. profile imageJonathan Fortney
@jjfplanet


@ucsc Professor & Director of Other Worlds Laboratory. Modeler of planetary atmospheres & interiors. Father, Softballer, Runner, Human Selfie Stick, Minnesotan
Santa Cruz, CA
owl.ucsc.edu
Google Scholar page
7 yrs, 5 mos on Twitter
Tweets: 2/day • 32% new, 45% replies, 19% retweets, 4% quotes
2,569 86 
221. profile imageBenjamin Pope
@fringetracker


Astronomer - he/him
Manhattan, NY
benjaminpope.github.io
Google Scholar page
6 yrs, 6 mos on Twitter
Tweets: 11/day • 6% new, 49% replies, 35% retweets, 10% quotes
2,567 89 
222. profile imageHannah Wakeford
@StellarPlanet


(she/her) Giacconi Fellow @STScI/@AURADC , @exo_cast podcaster & @BSACDIVER | Previously @NASAGoddard Fellow & @UniofExeter PhD | Expressed opinions are mine
stellarplanet.org
7 yrs, 9 mos on Twitter
Tweets: 4/day • 28% new, 33% replies, 24% retweets, 14% quotes
2,556 160 
223. profile imageManuel Gonzalez
@manolux4444


Astrocoplero. De pueblo. Alegre. Salao. Lo mismo para un roto que para un descosío. He tenido mucho éxito con el fandango. Manuela de la Tormenta. #BigVan
Granada
es.linkedin.com/in/manuel-gonz…
4 yrs, 0 mos on Twitter
Tweets: 7/day • 2% new, 17% replies, 79% retweets, 1% quotes
2,548 73 
224. profile imageYvette Cendes
@whereisyvette


Hungarian-American radio astronomy PhD, Toronto based, alias /u/Andromeda321. Only person who's been to Everest Base Camp AND punched by a wild mountain gorilla
Toronto, Ontario
yvettecendes.com
9 yrs, 4 mos on Twitter
Tweets: 4/day • 36% new, 45% replies, 5% retweets, 14% quotes
2,544 184 
225. profile imageGustavo Rojas
@gurojas


Astronomer @nuclio_pt @FC_UL @ufscaroficial / Colunista @revistagalileu & @Estadao / Comissão Organizadora OBA
Lisbon, Portugal
ciencia.estadao.com.br/blogs/telescop…
Google Scholar page
10 yrs, 3 mos on Twitter
Tweets: 0.2/day • 34% new, 39% replies, 5% retweets, 24% quotes
2,542 32 
226. profile imageEli Bressert
@elibressert


Love big ideas and putting them into action by connecting the impossible.
California, USA
Google Scholar page
10 yrs, 8 mos on Twitter
Tweets: 2/day • 18% new, 15% replies, 65% retweets, 3% quotes
2,491 225 
227. profile imageJason Kalirai
@JasonKalirai


Astrophysicist and Civil Space Mission Area Executive @JHUAPL. Excited about space exploration and enabling new science with amazing missions. Tweets mine.
Highland, MD
jasonkalirai.com
8 yrs, 0 mos on Twitter
Tweets: 1/day • 46% new, 7% replies, 47% retweets, 1% quotes
2,488 92 
228. profile imageCaitlin Casey
@astrocaits


Astronomer at the University of Texas at Austin, big fan of dust/gas in the Universe (it’s everywhere! it matters!), and passionate urban farmer. 🐷🐔😽she/hers
Austin, TX
as.utexas.edu/~cmcasey
5 yrs, 5 mos on Twitter
Tweets: 0.4/day • 23% new, 34% replies, 29% retweets, 14% quotes
2,478 66 
229. profile imageMark Marley
@astromarkmarley


Astronomer working for a well known national space agency. Interests include extrasolar planets, brown dwarfs, giant planets. Opinions are mine alone.
Mountain View, California
google.com/profiles/Mark.…
Google Scholar page
8 yrs, 11 mos on Twitter
Tweets: 4/day • 22% new, 57% replies, 17% retweets, 4% quotes
2,460 106 
230. profile imageDerek Fox
@partialobs


Astronomer and faculty member (he/him) at Penn State University. A personal Twitter account. 'Where is everybody?' -E. Fermi
Earth
astro.psu.edu/~dfox/
10 yrs, 4 mos on Twitter
Tweets: 5/day • 1% new, 4% replies, 94% retweets, 2% quotes
2,430 77 
231. profile imageDr Louisa Preston
@LouisaJPreston


Astrobiologist, planetary geologist. @spacegovuk Aurora Research Fellow, @TEDFellow, Lecturer @NYUlondon & Author
London
louisa-preston.com
Google Scholar page
7 yrs, 2 mos on Twitter
Tweets: 1/day • 33% new, 27% replies, 23% retweets, 16% quotes
2,416 125 
232. profile imageEmma Osborne 💫
@Emmanigma


Astrophysicist and multi-award winning science communicator. Creator of The Extraordinary Universe youtube.com/c/TheExtraordi…
Southampton, England
emmalouiseosborne.com
YouTube channel
6 yrs, 4 mos on Twitter
Tweets: 0.6/day • 11% new, 13% replies, 73% retweets, 2% quotes
2,412 66 
233. profile imageThomas Robitaille
@astrofrog


Freelance, software developer, lead developer of Glue, co-ordinator for the Astropy project, software Editor for AAS Publishing, open development advocate.
United Kingdom
thomasrobitaille.com
Google Scholar page
10 yrs, 3 mos on Twitter
Tweets: 1/day • 31% new, 48% replies, 17% retweets, 4% quotes
2,396 126 
234. profile imageJuan Carlos Munoz
@astro_jcm


Astronomer at @ESO. I study galaxies; not sure I understand them. ESO Photo Ambassador. Views are my own, so stay away from them. instagram.com/astro_jcm
Santiago, Chile
sc.eso.org/~jmunoz
2 yrs, 9 mos on Twitter
Tweets: 6/day • 9% new, 59% replies, 25% retweets, 8% quotes
2,395 51 
235. profile imageVanessa Moss
@cosmicpudding


Adventures of the Cosmic Pudding & sidekick Vanessa: astronomy research, outreach, observing... I run @arXiver & @AstroJobVis. More interesting than a giraffe.
Dwingeloo, Nederland
youtube.com/user/thecosmic…
6 yrs, 2 mos on Twitter
Tweets: 2/day • 32% new, 36% replies, 29% retweets, 4% quotes
2,395 79 
236. profile imageBrian Koberlein
@BrianKoberlein


I'm a farm boy who became an astrophysicist.
Rochester NY
briankoberlein.com
Patreon page
8 yrs, 10 mos on Twitter
Tweets: 1/day • 64% new, 21% replies, 13% retweets, 3% quotes
2,390 173 
237. profile imageTamara Davis
@tamarastro


Astro-frisbeer. Enjoying the Universe's playground.
Brisbane
smp.uq.edu.au/people/TamaraD…
10 yrs, 8 mos on Twitter
Tweets: 0.2/day • 34% new, 22% replies, 34% retweets, 11% quotes
2,381 73 
238. profile imageLeigh Fletcher
@LeighFletcher


Planetary scientist, Dad-in-training, space enthusiast, Royal Society Research Fellow and Lecturer based at the University of Leicester.
Leicester, England
planetaryweather.blogspot.co.uk
Google Scholar page
10 yrs, 5 mos on Twitter
Tweets: 1/day • 16% new, 43% replies, 29% retweets, 12% quotes
2,355 144 
239. profile imageJohn Asher Johnson
@astrojohnjohn


Sayer of words, typist of things, one who professes professionally, figurer of things out, player of basketball, abuser of language. Views expressed r mine
Cambridge, MA
mahalonottrash.blogspot.com/2015/05/i-am-o…
6 yrs, 5 mos on Twitter
Tweets: 2/day • 20% new, 16% replies, 55% retweets, 9% quotes
2,354 98 
240. profile imageMarkus Pössel
@mpoessel


Astronomy outreach in Heidelberg (Tweets in German & English). This is my private account - official tweets go on @HdAstro or @mpi_astro
Heidelberg
haus-der-astronomie.de
8 yrs, 3 mos on Twitter
Tweets: 7/day • 4% new, 65% replies, 27% retweets, 4% quotes
2,349 117 
241. profile imageElisabeth Newton
@EllieInSpace


Astronomer, educator and assistant professor @Dartmouth College. Also a climber, baker, crafter & @astrobites co-founder. She/her.
Hanover, NH
mit.edu/~ernewton
8 yrs, 1 mo on Twitter
Tweets: 0.9/day • 17% new, 34% replies, 41% retweets, 8% quotes
2,334 122 
242. profile imageEric Mamajek
@EricMamajek


Astronomer, dad, stars, (exo)planets. Statements and opinions posted here are my own. Email me directly, I don't respond to Twitter DM.
Pasadena, CA
Google Scholar page
8 yrs, 5 mos on Twitter
Tweets: 2/day • 14% new, 25% replies, 44% retweets, 17% quotes
2,333 68 
243. profile imageStephen Serjeant
@StephenSerjeant


Astronomy Prof at Open University,occasionally does OU/BBC stuff. 26.2mi=42.2km.Remainer. Likes often=bookmarks. Views here do not necessarily blah blah. He/him
127.0.0.1
stephenserjeant.github.io
Google Scholar page
10 yrs, 3 mos on Twitter
Tweets: 6/day • 13% new, 29% replies, 36% retweets, 22% quotes
2,331 164 
244. profile imageProf Roberto Trotta
@R_Trotta


Prof of Astrostatistics @imperialcollege | #scicommer & author | @CLCCDirector | statistical & scientific consultant | #FBPE | Opinions my own.
London
robertotrotta.com
5 yrs, 5 mos on Twitter
Tweets: 6/day • 22% new, 60% replies, 12% retweets, 6% quotes
2,325 131 
245. profile imageDr. Jillian Scudder
@Jillian_Scudder


PhD in astrophysics & assistant professor at @oberlincollege. I study galaxies & write @astroquizzical. I wrote a book! she/hers.
jillianscudder.com
Google Scholar page
6 yrs, 11 mos on Twitter
Tweets: 4/day • 33% new, 35% replies, 26% retweets, 6% quotes
2,314 148 
246. profile imageJohanna
@johannateske


Astronomer, runner, educator, feminist, vegan, #Nats fan, she/her/hers
Pasadena, CA
johannateske.virb.com
Google Scholar page
5 yrs, 6 mos on Twitter
Tweets: 10/day • 15% new, 24% replies, 39% retweets, 22% quotes
2,293 119 
247. profile imageTom Barclay
@mrtommyb


Astronomer/astrophysicist at NASA Goddard. TESS mission. Planets orbiting other stars. Listening to punk rock. Tweets are my own.
Silver Spring, MD
tombarclay.com
Google Scholar page
10 yrs, 0 mos on Twitter
Tweets: 1/day • 26% new, 61% replies, 3% retweets, 9% quotes
2,292 85 
248. profile imageMark Bentley
@msbentley


Planetary scientist @ESA working for @HE_Space on @BepiColombo. Former PI of @RosettaMIDAS on @ESA_Rosetta. @ISUnet '01 alum. #openscience fan
Community of Madrid, Spain
lunartech.org
Google Scholar page
11 yrs, 7 mos on Twitter
Tweets: 2/day • 20% new, 24% replies, 35% retweets, 22% quotes
2,290 160 
249. profile imageDra. Nicole
@jazztronomy


CEO of Movement Consulting // Astronomy Ph.D. and STEM equity advocate // She/Her/Hers // #LatinaInSTEM // I have the best ideas
Catlanta
movebold.ly
4 yrs, 9 mos on Twitter
Tweets: 3/day • 3% new, 34% replies, 58% retweets, 5% quotes
2,288 102 
250. profile imageAndy Howell
@d_a_howell


Astronomer at Las Cumbres Observatory, physics faculty at UCSB. Sometime TV dude, and one half of @ScienceVsCinema.
Santa Barbara, CA
dahowell.com
10 yrs, 2 mos on Twitter
Tweets: 2/day • 21% new, 51% replies, 13% retweets, 14% quotes
2,248 103 
251. profile imageAdrian Price-Whelan
@adrianprw


astrophysics postdoc @ Princeton, galaxy dynamics, binary stars, music github.com/adrn
???
adrian.pw
Google Scholar page
8 yrs, 1 mo on Twitter
Tweets: 2/day • 20% new, 53% replies, 25% retweets, 2% quotes
2,246 71 
252. profile imageGeraint F. Lewis
@Cosmic_Horizons


Cosmologist, Galactic Archaeologist. Proud Silurian, Australian immigrant, & author of @AFortunateUni with @lukebarnesastro.
Sydney
cosmic-horizons.blogspot.com
Google Scholar page
YouTube channel
5 yrs, 5 mos on Twitter
Tweets: 7/day • 22% new, 59% replies, 16% retweets, 2% quotes
2,229 86 
253. profile imageCarole Mundell
@CGMundell


Prof. of Extragalactic Astronomy; Head of Astrophysics @uniofbath; Chief Scientific Adviser at the @foreignoffice. Views personal opinion, RT ≠ endorsements etc
University of Bath, UK
bath.ac.uk
9 yrs, 2 mos on Twitter
Tweets: 3/day • 12% new, 13% replies, 59% retweets, 16% quotes
2,208 118 
254. profile imageProf Teresa Anderson
@_TeresaAnderson


Director, @jodrellbank Discovery Centre, The University of Manchester, Science-Culture Director @bluedotfestival , Chair @DaphneJacksonTr , All views my own etc
❤Manchester🐝 & Jodrell Bank📡
10 yrs, 5 mos on Twitter
Tweets: 1/day • 4% new, 66% replies, 24% retweets, 6% quotes
2,208 44 
255. profile imageDr Michelle Collins
@michelle_lmc


Astrophysicist working on Local Group galaxies. Soft spot for Andromeda. Keen runner. All views my own. RT != endorsement
Guildford, England
therunningastronomer.com
10 yrs, 1 mo on Twitter
Tweets: 3/day • 23% new, 48% replies, 25% retweets, 5% quotes
2,200 72 
256. profile imageAlejandro Sánchez
@pmisson


An Astrophysicist working at the @UniofExeterESI?, Leader of @cities4tnight Colaborate with @orison_eu @IDADarkSky @stars4all_eu @iaaucc @ObservaUCM #dyslexic
Falmouth, England / Berlin,Germany / Madrid, Spain / Granada,Spain
pmisson.blogspot.com
Google Scholar page
9 yrs, 2 mos on Twitter
Tweets: 4/day • 11% new, 19% replies, 66% retweets, 4% quotes
2,182 111 
257. profile imageBenneHolwerda
@BenneHolwerda


Astronomer at large (mostly harmless). University of Louisville. Opinions & typos obv my own.
Louisville, KY
Google Scholar page
11 yrs, 0 mos on Twitter
Tweets: 5/day • 18% new, 49% replies, 16% retweets, 17% quotes
2,164 80 
258. profile imageFiona H. Panther
@FiPanther


99% background, 1% astrophysical. 100% salty. Assoc. lecturer @UNSWCanberra with a PhD in gamma-ray astronomy. I teach ADF cadets how to science.
Campbell, Canberra
auntiematter.space
Google Scholar page
9 yrs, 10 mos on Twitter
Tweets: 3/day • 30% new, 43% replies, 17% retweets, 10% quotes
2,132 93 
259. profile imageCassio Barbosa
@cassioleandro


Astrofísico interessado no nascimento de estrelas, professor, divulgador de astronomia e colunista no portal G1. Opiniões são minhas.
São Paulo, Brasil
colunas.g1.com.br/observatoriog1
Google Scholar page
9 yrs, 11 mos on Twitter
Tweets: 1/day • 29% new, 57% replies, 5% retweets, 10% quotes
2,117 34 
260. profile imagePhil Diamond
@SKA_DG


SKA Director General; husband, father, dedicated Manchester United fan
SKA HQ. Jodrell Bank
10 yrs, 0 mos on Twitter
Tweets: 0.6/day • 9% new, 29% replies, 31% retweets, 30% quotes
2,112 116 
261. profile imageDawn Sumner
@sumnerd


curious geologist and professor of Earth and Planetary Sciences UCDavis
here but going there
dysumner.faculty.ucdavis.edu
Google Scholar page
11 yrs, 0 mos on Twitter
Tweets: 2/day • 28% new, 37% replies, 25% retweets, 9% quotes
2,080 165 
262. profile imageEdward Gomez 🤖
@zemogle


Astronomer, coder, and web technology enthusiast. Believe everyone can be a scientist if they ask more questions.
Cardiff, UK
edward.gomez.me.uk
Google Scholar page
11 yrs, 1 mo on Twitter
Tweets: 4/day • 30% new, 33% replies, 29% retweets, 8% quotes
2,079 91 
263. profile imageAlan Fitzsimmons
@FitzsimmonsAlan


Astronomer @astroqub looking at comets asteroids & weird interstellar objects. Can eat hard boiled eggs with chopsticks. Views, opinions & profanity all my own.
Belfast, Northern Ireland
alanfitzsimmons.wordpress.com
7 yrs, 6 mos on Twitter
Tweets: 2/day • 20% new, 37% replies, 36% retweets, 6% quotes
2,078 83 
264. profile imageJesús Martínez Frías
@J_MartinezFrias


Planetary Geology/Astrobiology, IGEO, CSIC-UCM. NASA/ESA missions. President, IAGETH. Director, REDESPA. Lanzarote Geopark. PANGAEA instructor. EiC, Geosciences
Madrid, Comunidad de Madrid
tierra.rediris.es/jmfrias
Google Scholar page
8 yrs, 6 mos on Twitter
Tweets: 14/day • 30% new, 17% replies, 50% retweets, 2% quotes
2,078 129 
265. profile imageherve_dole
@herve_dole


Astrophysicien, cosmologiste, professeur, VP université (mediation scientifique, art, culture, société), vulgarisateur, conseiller municipal. #astrophysicist
France
8 yrs, 4 mos on Twitter
Tweets: 0.4/day • 7% new, 7% replies, 83% retweets, 3% quotes
2,078 116 
266. profile imageAndy Lawrence
@e_astronomer


Quasar fan and survey nut. Check out random Milky Way snaps @MilkyWayBot, Oculus/Stellarium project @StarsightVR and its crowdfunder crowdfunder.co.uk/starsight-vr/
Auld Reekie
roe.ac.uk/~al
9 yrs, 3 mos on Twitter
Tweets: 2/day • 26% new, 19% replies, 31% retweets, 22% quotes
2,048 114 
267. profile imageGabe Perez-Giz
@fizziksgabe


6 yrs, 3 mos on Twitter
Tweets: 0.2/day • 4% new, 67% replies, 7% retweets, 22% quotes
2,028 37 
268. profile imageDr. Abbie 💖💜💙
@abigailStev


Lady scientist (she/her) 👩🏻‍💻 NSF fellow @msu_astro & @michiganastro 🔭 compact objects 💥 #OpenSource 🐍 #BiInSci 💖 mastodon:alstev 🐘tweets≠NSF,MSU,UM
Anishinaabeg/Odawa land
abigailstevens.com
8 yrs, 5 mos on Twitter
Tweets: 7/day • 2% new, 52% replies, 39% retweets, 7% quotes
2,027 81 
269. profile imageJoss Bland-Hawthorn
@JossBlandHawtho


All things novel, astrophysical, mathematical, technological.
Sydney, Australia
physics.usyd.edu.au/~jbh/
Google Scholar page
5 yrs, 1 mo on Twitter
Tweets: 5/day • 40% new, 25% replies, 19% retweets, 16% quotes
2,004 71 
270. profile imageCaroline Morley
@AstroCaroline


Assistant Prof at UT Austin, modeler of substellar atmospheres
Austin, TX
carolinemorley.com
6 yrs, 9 mos on Twitter
Tweets: 0.3/day • 26% new, 59% replies, 9% retweets, 6% quotes
1,987 71 
271. profile imageDr. Sabine Stanley
@PlanetSabine


Planetary scientist. Professor at Johns Hopkins University. Loves food, music, sci-fi. Sucker for slapstick. No idea whose opinions these are. she/her
Baltimore, MD
sabinestanley.com
Google Scholar page
4 yrs, 1 mo on Twitter
Tweets: 4/day • 32% new, 35% replies, 31% retweets, 2% quotes
1,981 58 
272. profile imageDr. Sara Walker
@Sara_Imari


theoretical physicist and astrobiologist, assoc. prof @SESEASU, dep. director @Beyond_ASU, interested in solving the origin of life and finding aliens
Arizona, USA
emergence.asu.edu
Google Scholar page
8 yrs, 6 mos on Twitter
Tweets: 0.5/day • 8% new, 21% replies, 61% retweets, 8% quotes
1,962 91 
273. profile imageAshley Pagnotta 🌟
@ashpags


Astronomer, Knitter, Fangirl, Tex-Pat. Currently at @CofC. Previously at @AMNH, @LSU, @TAMU. This is my personal Twitter. 📸ashpags 👻 ashleypagnotta (she/her)
Charleston, SC
about.me/ashley.pagnotta
10 yrs, 11 mos on Twitter
Tweets: 22/day • 1% new, 96% replies, 0% retweets, 3% quotes
1,952 93 
274. profile imageAnais Rassat
@anaisrassat


Tech. Interested in science, deeptech & science policy. Knowledge Transfer @CERN #CERNKT. Formerly @EPFL, @CEAParisSaclay, @UCL. Celebrate #Einstein100. TCK
anaisrassat.tumblr.com
9 yrs, 5 mos on Twitter
Tweets: 1/day • 20% new, 17% replies, 59% retweets, 4% quotes
1,951 132 
275. profile imageAdam Burgasser
@browndwarfs


astrophysicist, professor, and preferably in the water.
on a plane, or San Diego
pono.ucsd.edu/~adam
Google Scholar page
8 yrs, 10 mos on Twitter
Tweets: 0.6/day • 37% new, 29% replies, 31% retweets, 2% quotes
1,945 
276. profile imageGianfranco Bertone
@gfbertone


Astroparticle Physicist. Spokesperson @GRAPPAInstitute. Married to @DominiciNad. Father of two. Author ‘Behind the Scenes of the Universe’ https://t.co/woz6Z9TomX
Amsterdam, NL
gianfrancobertone.net
Google Scholar page
7 yrs, 5 mos on Twitter
Tweets: 0.7/day • 32% new, 41% replies, 13% retweets, 14% quotes
1,929 90 
277. profile imageMatthew Kenworthy
@mattkenworthy


Associate Professor of Astronomy at Leiden Observatory - exoplanet imaging and giant ring transit searches. Keen on giving public talks and outreach.
Leiden, The Netherlands
kenworthy.space
Google Scholar page
8 yrs, 8 mos on Twitter
Tweets: 2/day • 14% new, 53% replies, 17% retweets, 15% quotes
1,927 62 
278. profile imageMichael Brown
@MJIBrown


Astronomer, Monash University academic, Conversation contributor, no fan of pseudo-science.
Melbourne, Australia
theconversation.com/profiles/micha…
Google Scholar page
6 yrs, 0 mos on Twitter
Tweets: 17/day • 16% new, 55% replies, 25% retweets, 4% quotes
1,906 114 
279. profile imageRay Jayawardhana
@DrRayJay


Astronomer, Explorer, Writer, Speaker. Author of 'Strange New Worlds' and 'Neutrino Hunters'
rayjay.net
8 yrs, 4 mos on Twitter
Tweets: 0.8/day • 28% new, 3% replies, 63% retweets, 6% quotes
1,894 109 
280. profile imageJoyful ✨ Spark
@InvaderXan


“I see now that the circumstances of one’s birth are irrelevant. It is what you do with the gift of life that determines who you are.” 🌱
Earth
supernovacondensate.net
10 yrs, 3 mos on Twitter
Tweets: 11/day • 4% new, 49% replies, 41% retweets, 6% quotes
1,889 195 
281. profile imageKevin Peter Hand
@Alienoceans


Highland Park, Los Angeles
6 yrs, 6 mos on Twitter
Tweets: 0.1/day • 32% new, 27% replies, 21% retweets, 19% quotes
1,884 62 
282. profile imageHaley Wahl
@hwahl16


PhD Student at WVU studying pulsars. Avid runner, baker, maker of awful puns, writer for @astrobites, and @wvugpss president. I like dogs and all things maple!
8 yrs, 0 mos on Twitter
Tweets: 2/day • 14% new, 69% replies, 15% retweets, 2% quotes
1,875 20 
283. profile imageAmanda Yoho
@mandaYoho


Data Scientist, Cosmologist, former NASA Earth & Space Science fellow. Tweets most likely to be about data, beer, or python. Tweets are my own.
Cleveland, Ohio
7 yrs, 1 mo on Twitter
Tweets: 5/day • 8% new, 22% replies, 54% retweets, 16% quotes
1,849 144 
284. profile imageWill Kinney
@WKCosmo


Cosmologist, dirtbag mountain biker, expat Montanan, scientistic STEMlord. Professor, University at Buffalo, SUNY. Personal Twitter account.
Buffalo, NY
acsu.buffalo.edu/~whkinney/inde…
Google Scholar page
2 yrs, 5 mos on Twitter
Tweets: 12/day • 10% new, 75% replies, 7% retweets, 7% quotes
1,848 47 
285. profile imageDr Rachana Bhatawdekar
@AstroRach


PhD astronomer @UniofNottingham. I find and study the faintest and most distant galaxies in the Universe with @NASAHubble. Badminton player, Salsa dancer
Earth, Orion Arm, MW, Laniakea
9 yrs, 8 mos on Twitter
Tweets: 2/day • 28% new, 44% replies, 21% retweets, 6% quotes
1,829 128 
286. profile imageJaime Zamorano
@cefalopodo


Physicist (Astrophysics) at UCM @unicomplutense Another amateur photographer. @ACTION4CS @stars4all_eu #LightPollution
Madrid (Spain)
tess.stars4all.eu
Google Scholar page
12 yrs, 3 mos on Twitter
Tweets: 4/day • 13% new, 9% replies, 77% retweets, 0% quotes
1,822 100 
287. profile imageAnthony Rushton
@Astronomer


Scientist - Innovator - Polymath. I love #Space, #Drones, #AI & #Blockchain. Most importantly, I'm a father to three amazing girls. Opinions are my own.
Otterbourne, England
arushton.github.io
12 yrs, 1 mo on Twitter
Tweets: 0.7/day • 40% new, 15% replies, 35% retweets, 10% quotes
1,819 163 
288. profile imageJonathan Pritchard
@jr_pritchard


Imperial astrophysicist and bewildered vagabond. Reader. SKA enthusiast. @ERC_research funded (opinions mine, not employer's)
Richmond, London
imperial.ac.uk/people/j.pritc…
Google Scholar page
8 yrs, 6 mos on Twitter
Tweets: 5/day • 26% new, 39% replies, 26% retweets, 10% quotes
1,818 82 
289. profile imageHugh Osborn
@exohugh


Exoplanet-hunting astronomer at @LAM_Marseille. Occasional science blogger/podcaster (for @exo_cast). Expert procrastinator. Views my own
UK
hughosborn.co.uk/lostintransits
9 yrs, 11 mos on Twitter
Tweets: 3/day • 18% new, 65% replies, 9% retweets, 7% quotes
1,817 105 
290. profile imageErik Tollerud
@eteq


Astrophysicist, Python coder, and general lover of nature in all its forms. Opinions are my own.
Baltimore, MD
stsci.edu/~etollerud
10 yrs, 1 mo on Twitter
Tweets: 1.0/day • 34% new, 53% replies, 11% retweets, 2% quotes
1,787 54 
291. profile imageNathalie N.-Q. Ouellette
@AngryAstroPanda


#Astrophysicist, PhD✴️ Coordonnatrice, @iExoplanets✴️@NASAWebb 🍁 Outreach Scientist✴️Loves 🐶✴️#Hapa✴️[email protected] ✨Science should be accessible to all!✨#scicomm
Montréal, Québec
astropanda.space
6 yrs, 9 mos on Twitter
Tweets: 1/day • 16% new, 49% replies, 13% retweets, 21% quotes
1,781 60 
292. profile imageMichael J. Malaska
@mike_malaska


Planetary scientist, organic chemist, astrobiologist, field scientist. Works at JPL. Champion of Titan exploration. Opinions expressed are my own.
Glendale, CA
flickr.com/photos/3167868…
Google Scholar page
4 yrs, 8 mos on Twitter
Tweets: 12/day • 31% new, 43% replies, 21% retweets, 4% quotes
1,781 116 
293. profile imageMonika Moscibrodzka
@mmosc_m


Astrophysicist at Radboud University, Netherlands.👹🔭📚 🚀🌪️(@ehtelescope member).
Planet Earth
4 yrs, 6 mos on Twitter
Tweets: 0.3/day • 26% new, 31% replies, 24% retweets, 19% quotes
1,776 27 
294. profile imageChris Impey
@ImpeyChris


Unreconstructed Scot, Astronomer, Writer, Dad, Victim of the Big Bang, Novice of Time and Space
Tucson, Arizona, USA
chrisimpey.com
6 yrs, 4 mos on Twitter
Tweets: 1/day • 100% new, 0% replies, 1% retweets, 0% quotes
1,772 75 
295. profile imageCéline Bœhm
@CelineBoehm1


Professor & Head of School of Physics at The University of Sydney. Astroparticle Physicist & Dark matter detective. RT no endorsement. Personal account.
Sydney, New South Wales
5 yrs, 3 mos on Twitter
Tweets: 1/day • 4% new, 21% replies, 65% retweets, 10% quotes
1,751 48 
296. profile imageDr. Lauren Weiss
@LaurenMWeiss


Astrophysicist, exoplanet hunter, occasional blogger rockyworlds.wordpress.com, Parrent Fellow at the Institute for Astronomy, Manoa.
Honolulu, HI
astro.berkeley.edu/~lweiss
Google Scholar page
7 yrs, 3 mos on Twitter
Tweets: 0.8/day • 13% new, 54% replies, 22% retweets, 11% quotes
1,740 64 
297. profile imageLaura Lopez
@ohdearz


Astronomy professor @ohiostate, studies birth & death of stars with all of the telescopes. She/her
6 yrs, 8 mos on Twitter
Tweets: 0.2/day • 16% new, 69% replies, 6% retweets, 9% quotes
1,738 39 
298. profile imageAndrew Jaffe
@defjaf


Astrophysics, cosmology, Bayesian inference, and more
London
andrewjaffe.net/blog
12 yrs, 4 mos on Twitter
Tweets: 0.8/day • 58% new, 23% replies, 17% retweets, 2% quotes
1,734 117 
299. profile imageRuth Angus
@ruthangus


Curator & Prof. of Astrophysics at the American Museum of Natural History @AMNH & Flatiron Institute @FlatironCCA. I study stars and exoplanets.
New York, NY
ruthangus.github.io
8 yrs, 2 mos on Twitter
Tweets: 0.3/day • 41% new, 49% replies, 9% retweets, 1% quotes
1,731 70 
300. profile imageDr. Kimberly Cartier
@AstroKimCartier


Astronomer, science news reporter for @AGU_Eos. She/her. Tweets are mine. eos.org/author/k-m-s-c…
Washington, DC
kimberlycartier.org
4 yrs, 0 mos on Twitter
Tweets: 1/day • 24% new, 13% replies, 55% retweets, 8% quotes
1,730 80 
301. profile imageRob Thacker
@DrRob_Thacker


President, Canadian Astron. Society. Director, @SMUHalifax Science Outreach Centre & astrophysics prof. Regular cohost of #sciencefiles on @NEWS957. Space geek.
Halifax, Canada
ap.smu.ca/~thacker
9 yrs, 4 mos on Twitter
Tweets: 6/day • 26% new, 59% replies, 12% retweets, 2% quotes
1,712 121 
302. profile imageKat Volk
@kat_volk


planetary scientist and cat enthusiast. even more cat tweets to be found at @KatsKitties
Tucson, AZ
katvolk.com
Google Scholar page
9 yrs, 5 mos on Twitter
Tweets: 5/day • 12% new, 76% replies, 11% retweets, 2% quotes
1,712 72 
303. profile imageStacy McGaugh
@DudeDarkmatter


Astrophysicist, cosmologist, philosopher, skeptic, and reluctant lizard king: hero to some; nightmare to others.
Cleveland, Ohio, USA
astroweb.case.edu/ssm/index.html
Google Scholar page
6 yrs, 4 mos on Twitter
Tweets: 4/day • 16% new, 44% replies, 29% retweets, 11% quotes
1,706 70 
304. profile imageLiz B ☆
@astro_Liz


X-ray and Optical Astronomer at @ESO. FLAMES Instrument Scientist. Bleeding heart liberal & intersectional feminist. All views my own. Ⓥ #WomenInScience
Edinburgh, Scotland
Google Scholar page
7 yrs, 4 mos on Twitter
Tweets: 6/day • 8% new, 70% replies, 13% retweets, 9% quotes
1,699 64 
305. profile imageTim McKay
@TimMcKayUM


Data scientist, educator, learner, reader, writer, physicist, astronomer. Working on Equity & Inclusion in Foundational Courses @umich & beyond.
Ann Arbor, MI he/him
Google Scholar page
7 yrs, 2 mos on Twitter
Tweets: 2/day • 32% new, 15% replies, 33% retweets, 19% quotes
1,679 67 
306. profile imageCourtney Dressing
@AstroDressing


I'm an astronomer looking for potentially Earth-like planets around nearby stars.
California, USA
w.astro.berkeley.edu/~dressing
4 yrs, 7 mos on Twitter
Tweets: 0.1/day • 38% new, 27% replies, 31% retweets, 6% quotes
1,664 49 
307. profile imageDr. Héloïse Stevance 💖💥
@Sydonahi


Astrophysicist/Illustrator/Science Communicator. Passionate about spreading my love of science, and challenging gender roles. she/her. Supernovae/Gravy Waves
Too high latitude
hfstevance.com
7 yrs, 7 mos on Twitter
Tweets: 2/day • 16% new, 51% replies, 26% retweets, 7% quotes
1,631 38 
308. profile imageTyler Nordgren
@NightSkyPark


Astronomer, Artist, Night Sky Ambassador to America's National Parks
Ithaca, NY
SpaceArtTravelBureau.com
6 yrs, 4 mos on Twitter
Tweets: 0.7/day • 18% new, 52% replies, 23% retweets, 6% quotes
1,626 74 
309. profile imageMia de los Reyes
@MiaDoesAstro


Astronomy graduate student. She/her/hers, Filipina-American, rock climber, avid eater of baked goods.
Pasadena, CA
astro.caltech.edu/~madlr/index.h…
2 yrs, 5 mos on Twitter
Tweets: 2/day • 10% new, 66% replies, 7% retweets, 17% quotes
1,617 28 
310. profile imageSteinn Sigurdsson
@steinly0


Icelandic Astro Physicist. arXiv Scientific Director. Planets, Black Holes & Stuff. Whole Universes, If Needed. Dynamics of Cats; To Say Nothing of The Dog.
catdynamics.blogspot.com
8 yrs, 9 mos on Twitter
Tweets: 3/day • 5% new, 29% replies, 41% retweets, 24% quotes
1,612 92 
311. profile imageSarah Maddison
@ProfAstroSarah


PVC (Academic Innovation) @Swinburne; astrophysicist, planet builder; promoter of #science and #STEM; advocate for #genderequity and #WomenInSTEM
Melbourne, Australia
Google Scholar page
5 yrs, 4 mos on Twitter
Tweets: 3/day • 39% new, 12% replies, 37% retweets, 12% quotes
1,603 87 
312. profile imageDr. Rachael Beaton
@rareflwr41


migrant astronomer currently at Princeton; 'i have loved the stars too fondly to be fearful of the night' - sarah williams
princeton, nj
sites.google.com/site/rachaellb…
9 yrs, 4 mos on Twitter
Tweets: 6/day • 14% new, 39% replies, 43% retweets, 4% quotes
1,600 58 
313. profile imageOlga Zamora
@omzamora


Investigadora en evolución estelar y Astrónoma de Soporte de los Observatorios de Canarias en @IAC_Astrofisica. Working on cool stars & @APOGEEsurvey pipeline.
Tenerife, España
paper.li/omzamora/13275…
8 yrs, 11 mos on Twitter
Tweets: 3/day • 47% new, 20% replies, 29% retweets, 4% quotes
1,583 91 
314. profile imageDustin Lang
@dstndstn


Astronomer at @Perimeter. Farm-raised left-handed vegetarian Canadian socialist. Tweets often astronomical/computational/scatological. he/Dr
Waterloo, Canada
dstn.astrometry.net
5 yrs, 6 mos on Twitter
Tweets: 2/day • 24% new, 71% replies, 3% retweets, 1% quotes
1,571 36 
315. profile imageAll the stars are closer
@iamstarnord


AI in the Sky. #AstroAI Cosmology. #BlackandStem #EthicsInAI #ThisIsBlackLight deepskieslab.ai My opinions only. he/him/his
on it.
iamstarnord.com
9 yrs, 1 mo on Twitter
Tweets: 4/day • 8% new, 14% replies, 71% retweets, 6% quotes
1,571 69 
316. profile imageKev Abazajian
@kevaba


Cosmologist & Professor at #UCIrvine. Opinions are my own.
Irvine, CA
physics.uci.edu/~kevork
Google Scholar page
8 yrs, 1 mo on Twitter
Tweets: 4/day • 15% new, 9% replies, 74% retweets, 2% quotes
1,554 68 
317. profile image📡 Jordy Davelaar 📡
@jordydavelaar


Research Analyst at @FlatironCCA and PhD student at @RUastro. Studying particle accelaration at accreting black holes (in VR). Member of the @ehtelescope
Flatiron, Manhattan
jordydavelaar.com
Google Scholar page
10 yrs, 1 mo on Twitter
Tweets: 4/day • 20% new, 43% replies, 33% retweets, 5% quotes
1,539 39 
318. profile imageNorhasliza Yusof
@norhaslizayusof


[email protected] of Malaya([email protected]), senior lecturer. Theoretical astrophysicist studying massive and very massive stars, love cats 🐱 🐱🐱🐱 and K-drama.
Kuala Lumpur Federal Territory, Malaysia
Google Scholar page
4 yrs, 9 mos on Twitter
Tweets: 4/day • 12% new, 73% replies, 7% retweets, 8% quotes
1,533 
319. profile imageJohan Richard
@novaric


Astronome(r) @obslyon.🌟 Je me passionne pour les galaxies🌀les grands instruments🔭 et la diffusion des connaissances 🧙‍♂️. Ingénieur Supaero🚀 @ISAE_officiel.
Lyon
cral.univ-lyon1.fr/labo/perso/joh…
Google Scholar page
10 yrs, 5 mos on Twitter
Tweets: 0.5/day • 16% new, 45% replies, 31% retweets, 8% quotes
1,529 41 
320. profile imageJesse Rogerson
@jesserogerson


I'm an astronomer, science communicator, and enthusiast of awesome things. Science Advisor at @avSpaceMuseum/@MuseeAvEspace
Ottawa, Canada
jesserogerson.com
9 yrs, 2 mos on Twitter
Tweets: 4/day • 34% new, 55% replies, 7% retweets, 4% quotes
1,520 69 
321. profile imageJayne Birkby
@jaynebirkby


Assistant Professor at the Anton Pannekoek Institute for Astronomy (API), University of Amsterdam. I study the chemical make up of exoplanet atmospheres.
Amsterdam, The Netherlands
staff.fnwi.uva.nl/j.l.birkby
9 yrs, 0 mos on Twitter
Tweets: 1/day • 12% new, 18% replies, 53% retweets, 17% quotes
1,518 53 
322. profile imageDr Pauline Barmby
@PBarmby


Professor & galaxy-observing astrophysicist @westernuphysast, co-chair @LRP2020 (opinions mine). Yarn & SF aficionada, runner. She/her.
Traditional territories of the Anishinaabeg, Haudenausaune, Lenaapeewak, and Attawandaron peoples.
pbarmby.github.io
Google Scholar page
7 yrs, 7 mos on Twitter
Tweets: 4/day • 36% new, 43% replies, 17% retweets, 4% quotes
1,511 106 
323. profile imagePhil Marshall
@drphilmarshall


Astrophysicist, into cosmology, gravitational lenses and inference. This is the closest thing I have to a research blog. I'll write more if you tweet at me.
San Francisco
slac.stanford.edu/~pjm
Google Scholar page
10 yrs, 2 mos on Twitter
Tweets: 0.8/day • 49% new, 33% replies, 15% retweets, 4% quotes
1,511 72 
324. profile imageMegan Donahue
@astrophysics


I'm an astronomy professor at Michigan State University. I maintain chemical balances of sorts by running. Playing bass in two Lansing bands, GSB & Dr. Decade.
Michigan
pa.msu.edu/~donahue
Google Scholar page
10 yrs, 9 mos on Twitter
Tweets: 0.5/day • 16% new, 55% replies, 15% retweets, 14% quotes
1,506 73 
325. profile imageJim Wild
@jim_wild


Professor of Space Physics and Associate Dean for Undergrad Teaching (Sci & Tech) at @LancasterUni. Ultra-distance/fell-runner and curry fan. My own views etc.
Lancashire
jwild.co.uk
9 yrs, 7 mos on Twitter
Tweets: 2/day • 24% new, 35% replies, 25% retweets, 16% quotes
1,467 55 
326. profile imageRamin Skibba
@raminskibba


freelance journalist & science writer; president of @SANDSWA2; former astrophysicist; fan of the Muppets; newsletter: tinyletter.com/raminskibba
San Diego, CA
raminskibba.net
5 yrs, 7 mos on Twitter
Tweets: 5/day • 38% new, 24% replies, 5% retweets, 33% quotes
1,455 110 
327. profile imageProf Sarah Bridle
@sarahbridle


Astrophysicist at the University of Manchester working on cosmology and food
Manchester
sarahbridle.net
9 yrs, 2 mos on Twitter
Tweets: 0.3/day • 23% new, 6% replies, 56% retweets, 16% quotes
1,451 65 
328. profile imageAntonio Martin-Carrillo
@antmarcarr


Astrophysicist @ucdscience, astrophotographer, tech geek, sci-fi enthusiast & Python coder. #TEDxUCD 2017 speaker instagram.com/skywonders_ie
Dublin
skywonders.ie
Google Scholar page
9 yrs, 8 mos on Twitter
Tweets: 1.0/day • 14% new, 55% replies, 23% retweets, 9% quotes
1,432 44 
329. profile imageIn need of a paddle #FBPE
@davecl42


Astrophysicist & possible wizard; SF writer. Short story collection Disturbed Universes. Non-fiction: Infrared Astronomy: Seeing the Heat. Tweets my own.He/him.
iPhone: 51.497821,-0.179038
davecl.wordpress.com
10 yrs, 0 mos on Twitter
Tweets: 19/day • 6% new, 24% replies, 69% retweets, 1% quotes
1,432 143 
330. profile imageJohn O'Meara
@astronomeara


Father, Astronomer, science policy nerd. Chief Scientist @keckobservatory Cosmic Origins Science Lead for #LUVOIR Chair AAAC. Tweets are my own
Kamuela, Hawaii
Google Scholar page
9 yrs, 10 mos on Twitter
Tweets: 3/day • 8% new, 76% replies, 9% retweets, 8% quotes
1,429 67 
331. profile imageSimon O'Toole 🌈
@drsimmo


Data guy, recovering astronomer, science communicator, manager of information, football nut, foodie, dad. Opinions posted are my own.
Sydney
iwouldntnormallycall.wordpress.com
Google Scholar page
10 yrs, 6 mos on Twitter
Tweets: 3/day • 6% new, 39% replies, 39% retweets, 16% quotes
1,418 76 
332. profile imageCarl E. Fields
@carlnotsagan


Astrophysics Ph.D Candidate @michiganstateu. Supported by @LosAlamosNatLab, @FordFoundation, and @nsfgrfp. Formerly ASU. he/him/his.
East Lansing, MI
carlnotsagan.github.io
Google Scholar page
5 yrs, 6 mos on Twitter
Tweets: 1/day • 14% new, 25% replies, 59% retweets, 2% quotes
1,414 37 
333. profile imageDr. Mira Mechtley
@biphenyl


Dot Product Enthusiast • Unity/C# Game Dev • PhD Astrophysics • Ace ⚧She/Her • Formerly: Quasar Astronomy/Data Science, Blurst, PowerGlove innovator DMs open
A mote of dust in a sunbeam
biphenyl.org
11 yrs, 6 mos on Twitter
Tweets: 4/day • 21% new, 29% replies, 44% retweets, 6% quotes
1,407 108 
334. profile imageMike Boylan-Kolchin
@MBKplus


Astro/physicist. Assistant Professor at The University of Texas at Austin.
as.utexas.edu/~mbk/
Google Scholar page
6 yrs, 0 mos on Twitter
Tweets: 0.9/day • 23% new, 49% replies, 10% retweets, 18% quotes
1,403 31 
335. profile imageDr Matt Burleigh
@Matt_Burleigh


Pro astronomer, exoplanet hunter, white dwarf expert, Reader at the University of Leicester. Also total cricket nut, real ale fan, shareholder @RedLionPreston
Preston, Hertfordshire
mattburleigh.wordpress.com
9 yrs, 6 mos on Twitter
Tweets: 15/day • 16% new, 33% replies, 33% retweets, 18% quotes
1,401 70 
336. profile imageAmir Caspi
@astronamir


Astrophysicist (solar/stellar) @SwRI. Instrumentalist, data jockey, programmer. Gamer. Huge nerd. Vell, I'm just zis guy, you know? #scicomm | @minxsscubesat
Boulder, CO
researchgate.net/profile/Amir_C…
Google Scholar page
2 yrs, 11 mos on Twitter
Tweets: 4/day • 8% new, 77% replies, 1% retweets, 12% quotes
1,400 43 
337. profile imageSamaya Nissanke
@samayanissanke


Astrophysicist, gravitational waves, black holes and neutron star obsessor, working mum, assistant prof @GRAPPAInstitute, UofAmsterdam.
Amsterdam, the Netherlands
5 yrs, 8 mos on Twitter
Tweets: 2/day • 6% new, 25% replies, 58% retweets, 10% quotes
1,400 52 
338. profile imageAndrew Rushby
@andrewrushby


Postdoc in @aomawa Shields' lab @UCIPhysAstro: #exoplanets, #climate, #astrobiology. Former postdoc @NASAAmes. Co-host of @exo_cast. Veggie. he/him. 🇬🇧/🇪🇺
Irvine, CA
bit.ly/andrewrushby
Google Scholar page
9 yrs, 3 mos on Twitter
Tweets: 1/day • 7% new, 65% replies, 15% retweets, 14% quotes
1,399 83 
339. profile imageSusanna Kohler
@susannakohler


Astrophysics PhD, science writer at the American Astronomical Society (@AASNova), science communication enthusiast and @comscicon organizer. Views are my own.
Pasadena, CA
5 yrs, 11 mos on Twitter
Tweets: 0.5/day • 26% new, 25% replies, 38% retweets, 12% quotes
1,395 42 
340. profile imageJamie Farnes
@Astro_Jamie


Data Science Fellow, Astrophysicist, and Cosmologist (theoretically). Views my own.
London
Google Scholar page
5 yrs, 10 mos on Twitter
Tweets: 0.6/day • 10% new, 65% replies, 19% retweets, 6% quotes
1,393 29 
341. profile imageKatie Peek
@kathrynpeek


Data visualizations for science magazines. Science journalist and Ph.D.-astronomer-at-large. Other skillz that this margin is too narrow to contain.
Baltimore
katiepeek.com
10 yrs, 2 mos on Twitter
Tweets: 0.2/day • 47% new, 33% replies, 16% retweets, 4% quotes
1,392 118 
342. profile imageSarah Pearson
@spacewsarah


Postdoctoral Research Fellow at @FlatironCCA, PhD in astrophysics from @Columbia U., galactic dynamics, stellar streams 🚀, creator of Space with Sarah @YouTube
New York City/Copenhagen
drsarahpearson.com
Google Scholar page
YouTube channel
3 yrs, 0 mos on Twitter
Tweets: 0.5/day • 30% new, 23% replies, 35% retweets, 12% quotes
1,381 36 
343. profile imageMorgan Rehnberg
@MorganRehnberg


Astronomer, writer, public speaker. Director of Scientific Presentation at @fwmsh. Will try to put history into anything.
Fort Worth, TX
morganrehnberg.com
5 yrs, 6 mos on Twitter
Tweets: 1/day • 34% new, 22% replies, 31% retweets, 13% quotes
1,365 62 
344. profile image🔭🌃Jana Grcevich 📡🚀
@janagrc


Co-author of Vacation Guide to the Solar System, astro PhD, curious person. Outreach @columbiaastro, adjunct @amnh & @cooperunion, presenter @ Hayden 🌎tarium
NYC
amazon.com/gp/aw/d/014312…
Google Scholar page
11 yrs, 3 mos on Twitter
Tweets: 0.6/day • 18% new, 49% replies, 22% retweets, 12% quotes
1,365 36 
345. profile imageBrian Wolven
@brianwolven


Coulrophobic. Supervised by two felines. Terrified of dyslexic zombies. All of my puns are 100% organically groan.
Columbia, Maryland, USA
Google Scholar page
10 yrs, 3 mos on Twitter
Tweets: 22/day • 4% new, 80% replies, 12% retweets, 4% quotes
1,361 64 
346. profile imageCees Bassa
@cgbassa


Astronomer at @ASTRON_NL, working with the @LOFAR low frequency radio telescope.
The Netherlands
9 yrs, 7 mos on Twitter
Tweets: 0.6/day • 9% new, 69% replies, 19% retweets, 3% quotes
1,354 43 
347. profile imagePaul A. Wilson
@Paul_A_Wilson


Research fellow @warwickuni. Working on the PLATO mission, designed to search for small, rocky #exoplanets in the habitable zone of stars like the Sun.
Warwick, England
paulanthonywilson.com
10 yrs, 3 mos on Twitter
Tweets: 0.6/day • 35% new, 35% replies, 19% retweets, 10% quotes
1,352 75 
348. profile imageRobert Schwarz
@iceman_90South


Scientist at the geographic South Pole, Planet Earth.
Antarctica
antarctic-adventures.de
6 yrs, 11 mos on Twitter
Tweets: 0.1/day • 79% new, 20% replies, 1% retweets, 1% quotes
1,345 26 
349. profile imageDouglas P Finkbeiner
@DPFink


Astronomer and Physicist
Harvard University
nebel.rc.fas.harvard.edu/dfink/
6 yrs, 11 mos on Twitter
Tweets: 0.1/day • 58% new, 29% replies, 12% retweets, 1% quotes
1,341 51 
350. profile imageJosh Peek
@jegpeek


Principal Investigator @MAST_News. Data Science and astronomy at @stsci and JHU. Statements do not reflect the position of any employer, obvi.
Baltimore
stsci.edu/~jegpeek/
Google Scholar page
10 yrs, 5 mos on Twitter
Tweets: 4/day • 6% new, 67% replies, 13% retweets, 14% quotes
1,324 53 
351. profile imageDr. Caryl Gronwall
@carylgronwall


Astronomer at Penn State University
State College, PA
astro.psu.edu/~caryl
Google Scholar page
8 yrs, 4 mos on Twitter
Tweets: 0.8/day • 29% new, 42% replies, 13% retweets, 16% quotes
1,323 45 
352. profile imageLisa Kaltenegger
@KalteneggerLisa


Astronomy Professor @Cornell University, Director of the Carl Sagan Institute @CSInst, Searching for life in the universe #exoplanets, #astrobiology, #astronomy
Ithaca, NY
carlsaganinstitute.org
Google Scholar page
1 yr, 8 mos on Twitter
Tweets: 4/day • 5% new, 4% replies, 86% retweets, 5% quotes
1,322 34 
353. profile imageTod R. Lauer
@TodLauer


Extragalactic Astronomy and Spacebased Imaging
Tucson, AZ
noao.edu/noao/staff/lau…
4 yrs, 7 mos on Twitter
Tweets: 2/day • 8% new, 83% replies, 5% retweets, 3% quotes
1,322 49 
354. profile imageMaximiliano Isi
@maxisi


@NASA Einstein Fellow @MIT, part of the @LIGO Lab Astrophysics Group. Physics PhD from @Caltech (Tweets English & Español)
Cambridge, MA
maxisi.me
Google Scholar page
9 yrs, 11 mos on Twitter
Tweets: 0.4/day • 5% new, 21% replies, 70% retweets, 4% quotes
1,309 20 
355. profile imageNaomi McC-G
@naomimcgriff


Mother, Astrophysics Prof at #ANU, Runner, Cook. From Portland, Oregon. Now also Australian. Opinions my own.
Canberra, Australia
Google Scholar page
7 yrs, 4 mos on Twitter
Tweets: 1/day • 59% new, 31% replies, 7% retweets, 3% quotes
1,306 38 
356. profile imageRoban Hultman Kramer
@robanhk


Machine learning engineering manager, hiring remotes for my team at @stripe. Former astrophysicist. 🕊
New Jersey, USA
roban.github.io
8 yrs, 6 mos on Twitter
Tweets: 2/day • 8% new, 23% replies, 59% retweets, 10% quotes
1,304 77 
357. profile imageKevin Grazier
@kevingrazier


Planetary scientist. Science advisor on Another Life, Gravity, BSG, EUReKA. Co-author of Hollyweird Science books. Packer Backer. Rodentophile.
Earth
linkedin.com/profile/view?i…
6 yrs, 0 mos on Twitter
Tweets: 1/day • 14% new, 57% replies, 29% retweets, 0% quotes
1,302 78 
358. profile imageJames Guillochon
@astrocrash


Robotics engineer, former fellow at Harvard. I killed stars for science! Maintainer of astrocats (astrocats.space), follow @AstroCatalogs for news!
Cambridge, MA
astrocrash.net
Google Scholar page
10 yrs, 4 mos on Twitter
Tweets: 2/day • 14% new, 71% replies, 9% retweets, 8% quotes
1,299 43 
359. profile imageMichael Linden-Vørnle
@astrosmoelf


Astrophysicist and Chief Adviser at the National Space Institute in Denmark. My main interests are cosmology, astrobiology, satellite infrastructure and drones.
Copenhagen
linkedin.com/in/mykal
8 yrs, 7 mos on Twitter
Tweets: 0.4/day • 44% new, 17% replies, 34% retweets, 4% quotes
1,298 38 
360. profile imageMarcel S. Pawlowski
@8minutesold


Astrophysicist, Schwarzschild Fellow @AIP_Potsdam, formerly Hubble Fellow @UCIrvine & postdoc @cwru; street photographer (8minutesold.com).
Potsdam, Germany
marcelpawlowski.com
Google Scholar page
8 yrs, 7 mos on Twitter
Tweets: 2/day • 13% new, 79% replies, 3% retweets, 4% quotes
1,297 40 
361. profile imageLynn Carter
@lynn_carter8


Associate Prof. at U. of Arizona Dept. of Planetary Science researching Venus, Mars, Earth, the Moon, Europa, and sometimes asteroids. #teamradar #BacktoVenus
Tucson, AZ
Google Scholar page
7 yrs, 0 mos on Twitter
Tweets: 3/day • 31% new, 49% replies, 8% retweets, 12% quotes
1,296 69 
362. profile imageL. Miché Aaron
@Astrenome


Planetary Science Ph.D. Student at @JHUEPS. Graduate researcher at @JHUAPL. Pronouns: she/her. I like whiskey, crocheting, painting, and planetary science!
Washington, DC
Google Scholar page
5 yrs, 3 mos on Twitter
Tweets: 0.6/day • 65% new, 26% replies, 7% retweets, 2% quotes
1,294 25 
363. profile imageSadie
@astrosadie


World Wandering Astrowarrior 🌟Feminist👩‍🔧Welsh 🏴󠁧󠁢󠁷󠁬󠁳󠁿Adventurer⭐️Rollergirl🏋🏼‍♀️🧝🏻‍♀️Science Communicator #WomenInSTEM 🌈[she/her]
United Kingdom
sadiejones.wordpress.com
Google Scholar page
10 yrs, 4 mos on Twitter
Tweets: 7/day • 39% new, 35% replies, 25% retweets, 1% quotes
1,284 97 
364. profile imageSudeep Das
@datamusing


Astrophysicist. Machine Learning Expert. Artist. Storyteller. AI @ Netflix
San Francisco
sudeep-das.com
Google Scholar page
6 yrs, 1 mo on Twitter
Tweets: 0.8/day • 47% new, 14% replies, 39% retweets, 1% quotes
1,278 108 
365. profile imageDr Frank Summers
@drfranksummers


Outreach Astrophysicist with Hubble, Scientific Visualization Supervisor on Imax Hubble 3D, host of Hubble's Universe Unfiltered video podcast
Baltimore, MD
hubblesite.org/explore_astron…
10 yrs, 4 mos on Twitter
Tweets: 0.6/day • 70% new, 19% replies, 3% retweets, 7% quotes
1,278 58 
366. profile imageScott Trager
@SCTrager


Astrophysicist, music fan, dad, husband of @McIntyreKmci, geek, US expat in NL. Tweets are my own.
Groningen, Netherlands
Google Scholar page
7 yrs, 5 mos on Twitter
Tweets: 5/day • 8% new, 56% replies, 31% retweets, 4% quotes
1,261 44 
367. profile imageDr. Jamie R Lomax
@jrlomax


Astronomer, Skier, Hiker, Assistant Professor, Massive Stars, Protoplanetary and Debris Disks, Physics, Does Polarimetry for Food & Science, Views are my own
7 yrs, 4 mos on Twitter
Tweets: 2/day • 14% new, 61% replies, 16% retweets, 8% quotes
1,260 21 
368. profile imageBen Montet
@benmontet


Astronomer, Sagan Fellow at the University of Chicago, soon to be lecturer at @UNSWPhysics, Cubs fan. Mostly tweeting about astronomy and baseball.
Chicago, IL
Google Scholar page
8 yrs, 3 mos on Twitter
Tweets: 0.6/day • 18% new, 70% replies, 11% retweets, 2% quotes
1,253 35 
369. profile imageNicolas Martin
@nfmartin1980


Astronomer, CNRS researcher at Strasbourg Observatory and Max Planck Institute for Astronomy (Heidelberg), Local Group dweller
Strasbourg, France
6 yrs, 6 mos on Twitter
Tweets: 3/day • 38% new, 45% replies, 17% retweets, 0% quotes
1,251 57 
370. profile imageJenifer Millard
@JeniMillard


MPhys Astro. Cardiff PhD student. Amateur astronomer. Co-presenter of @AwesomeAstroPod. Public speaker (inbox for requests). Space fashion addict. Why blend in?
6 yrs, 10 mos on Twitter
Tweets: 1/day • 5% new, 37% replies, 40% retweets, 18% quotes
1,246 42 
371. profile imagePedro G Ferreira
@PedroTGFerreira


Cosmologist at the University of Oxford. Author of The Perfect Theory.
Oxford
pedroferreira.co.uk
5 yrs, 11 mos on Twitter
Tweets: 0.2/day • 24% new, 7% replies, 69% retweets, 0% quotes
1,246 51 
372. profile imageShane L. Larson
@sciencejedi


Dad, LegoManiac, PenNerd, Astronomer (professional and amateur); Professor at Northwestern University, Associate Director at @NUCIERA. My tweets are all me.
Evanston, IL
writescience.wordpress.com
7 yrs, 3 mos on Twitter
Tweets: 2/day • 49% new, 23% replies, 19% retweets, 9% quotes
1,237 69 
373. profile imageWilliam Keel
@NGC3314


Astronomer, galaxy observer, trombonist, Galaxy Zoo team member, husband, father, employee of cats. Opinions mine alone.
Tuscaloosa, AL, USA
astronomy.ua.edu/keel
9 yrs, 5 mos on Twitter
Tweets: 3/day • 24% new, 53% replies, 11% retweets, 12% quotes
1,233 72 
374. profile imageRana X Adhikari
@RanaXAdhikari


Experimental Physicist. Gravity, Quantum Mechanics, Measurements. #noise #LIGO #spacetime
Pasadena, CA
Google Scholar page
3 yrs, 4 mos on Twitter
Tweets: 0.3/day • 54% new, 16% replies, 21% retweets, 9% quotes
1,227 25 
375. profile imageGautham Narayan
@gsnarayan


Lasker Fellow at @stsci. Dark energy, supernovae, white dwarfs, machine learning, astro edu & outreach, photography, hiking. Semi-responsible nerd! (He/him)
Baltimore, MD
gnarayan.github.io
9 yrs, 8 mos on Twitter
Tweets: 2/day • 13% new, 31% replies, 51% retweets, 5% quotes
1,223 65 
376. profile imageJoel Parker
@joelwmparker


astronomer, scientist on space missions (New Horizons, Rosetta, Lucy), actor, drummer, bike commuter, host/producer for How on Earth show, hubby & dad.
Boulder, Colorado, USA
boulder.swri.edu/~joel
9 yrs, 4 mos on Twitter
Tweets: 0.4/day • 30% new, 35% replies, 15% retweets, 21% quotes
1,223 95 
377. profile imageMatthew Colless
@MatthewColless


Director of the Research School of Astronomy and Astrophysics at the Australian National University
Canberra, Australia
rsaa.anu.edu.au/people/matthew…
Google Scholar page
9 yrs, 10 mos on Twitter
Tweets: 0.6/day • 18% new, 19% replies, 59% retweets, 4% quotes
1,220 47 
378. profile imageBorlaff
@asborlaff


Space Telescope imaging researcher at @esa / ESAC. PhD in Astrophysics @IAC_astrofisica. Galaxies, radio communications, statistics and rocket science.
Canary Islands
borlaff.github.io
Google Scholar page
4 yrs, 8 mos on Twitter
Tweets: 1/day • 10% new, 9% replies, 81% retweets, 1% quotes
1,219 22 
379. profile imageBrett Morris, PhD
@brettmor


Astronomer @unibern with interests in exoplanets and stellar activity. Formerly: @UW, @NASAGoddard, @UofMaryland.
Bern, Switzerland
brettmorr.is
Google Scholar page
10 yrs, 4 mos on Twitter
Tweets: 2/day • 21% new, 47% replies, 21% retweets, 10% quotes
1,216 59 
380. profile imageMatthew Turk
@powersoffour


I'm an assistant professor at UIUC in the iSchool and Astronomy. I also work on @yt_astro. Tweets are my own.
Champaign, IL
sites.google.com/site/matthewtu…
Google Scholar page
11 yrs, 5 mos on Twitter
Tweets: 1/day • 16% new, 45% replies, 35% retweets, 4% quotes
1,206 98 
381. profile imageDr Heidi B. Hammel
@hbhammel


1 yr, 11 mos on Twitter
Tweets: 4/day • 16% new, 19% replies, 58% retweets, 6% quotes
1,198 39 
382. profile imageBruce Macintosh
@bmac_astro


Stanford professor. Astronomer: exoplanets, instruments, astropolicy. Sarcasm and golden retrievers. Principal investigator for the Gemini Planet Imager
Stanford, CA
1 yr, 8 mos on Twitter
Tweets: 6/day • 4% new, 90% replies, 1% retweets, 4% quotes
1,196 21 
383. profile imageMartin Hendry
@martin_astro


Professor of Gravitational Astrophysics and Cosmology at Glasgow University and STFC Science in Society Fellow
astro.gla.ac.uk/?p=165
Google Scholar page
8 yrs, 2 mos on Twitter
Tweets: 0.2/day • 68% new, 13% replies, 17% retweets, 1% quotes
1,195 32 
384. profile imageJeyhan
@Jeyhan


Assistant Professor at RIT interested in infrared galaxies, interacting/merging galaxies, and AGN. Also interested in public outreach and science communication.
Rochester, NY
jeyhan.me
Google Scholar page
11 yrs, 5 mos on Twitter
Tweets: 0.7/day • 17% new, 16% replies, 60% retweets, 7% quotes
1,182 50 
385. profile imageJulian Onions
@julianonions


Programmer, Dr Astrophysics, FRAS, NAM2016 LOC, mostly harmless, does various talks on Astronomy
Nottingham, UK
ou-know.blogspot.com
Google Scholar page
11 yrs, 4 mos on Twitter
Tweets: 3/day • 56% new, 23% replies, 18% retweets, 3% quotes
1,176 37 
386. profile imageNathalie A. Cabrol
@shasta721


Planetary Scientist and Explorer
Mountain View
pll.seti.org
Google Scholar page
7 yrs, 9 mos on Twitter
Tweets: 8/day • 100% new, 0% replies, 0% retweets, 0% quotes
1,175 76 
387. profile imageXavier Barcons
@xbarcons


Astronomer, interested in large observatories and galaxies & AGN. @ESO Director General.
Munich, Bavaria
ifca.unican.es/es-es/member?e…
Google Scholar page
7 yrs, 6 mos on Twitter
Tweets: 0.4/day • 19% new, 11% replies, 28% retweets, 42% quotes
1,163 50 
388. profile imageJustin Read
@ReadDark


Head of physics at the University of Surrey. Astrophysicist interested in modelling, dynamics, and the hunt for dark matter. All opinions are my own.
University of Surrey
justinread.net
6 yrs, 7 mos on Twitter
Tweets: 0.8/day • 14% new, 20% replies, 62% retweets, 4% quotes
1,161 28 
389. profile imageSara Issaoun
@SaraIssaoun


PhD student in astrophysics at Radboud University (@ruastro), EHT observational astronomer (@ehtelescope)
1 yr, 10 mos on Twitter
Tweets: 0.2/day • 6% new, 21% replies, 57% retweets, 15% quotes
1,157 25 
390. profile imageLauren Woolsey 🔜 Gen Con
@cgsunit


Game designer, college professor (@Prof_Woolsey) & podcast co-host (@PlayAbilityPod); one of those pays my bills. Avatar image by Corinne Roberts. She/Her
Michigan, USA
cgsunit.com/games
5 yrs, 6 mos on Twitter
Tweets: 4/day • 13% new, 67% replies, 13% retweets, 7% quotes
1,156 48 
391. profile imageLuigi Foschini
@luigifoschini


Avventure di un astrofisico podista. Adventures of an astrophysicist runner.
Earth, Solar System, Orion Arm, Milky Way.
brera.inaf.it/utenti/foschin…
Google Scholar page
7 yrs, 5 mos on Twitter
Tweets: 0.1/day • 24% new, 73% replies, 3% retweets, 0% quotes
1,152 23 
392. profile imageDavid Sing
@ExoSing


Exoplanet scientist
Baltimore, MD
pages.jh.edu/~dsing3/
Google Scholar page
5 yrs, 10 mos on Twitter
Tweets: 0.1/day • 38% new, 35% replies, 25% retweets, 1% quotes
1,134 29 
393. profile imageDr. Rachel Osten
@rachelosten


Stars (in the sky) are fascinating! Deputy Mission Head for HST @stsci. Astronomer, mother, runner. My tweets are my own.
Maryland
10 yrs, 2 mos on Twitter
Tweets: 0.6/day • 20% new, 57% replies, 11% retweets, 12% quotes
1,127 45 
394. profile imageJohn Debes
@JohnDebes


STIS Team Lead at @stsci. Part of @diskdetective and @NASAWFIRST CGI science team. Exoplanets, white dwarf planets, and disks. My opinions are my own. He/Him
Geektown, USA
stsci.edu/~debes/
Google Scholar page
6 yrs, 8 mos on Twitter
Tweets: 6/day • 8% new, 54% replies, 30% retweets, 8% quotes
1,120 65 
395. profile imageRebecca Leane
@RKLeane


Theoretical physicist at @MIT. Working on dark matter, astroparticle physics, and collider phenomenology.
Cambridge, MA
rebeccaleane.com
Google Scholar page
4 yrs, 1 mo on Twitter
Tweets: 0.2/day • 21% new, 33% replies, 37% retweets, 8% quotes
1,107 34 
396. profile imageTanya Hill
@nightskymelb


Astronomer, Melbourne Planetarium. Columnist, The Conversation. Tweets, mine. Loves: the Orion nebula, musicals, sunshine on my shoulders, my husband's singing.
Melbourne Australia
theconversation.com/columns/tanya-…
5 yrs, 3 mos on Twitter
Tweets: 0.5/day • 40% new, 9% replies, 45% retweets, 5% quotes
1,101 48 
397. profile imageAlexander B Fry
@TheAstronomist


Hazy cosmonaut, raconteur, & astrophysics PhD. Machine learning engineer. Thoughts randomly seeded on science, culture, art, philosophy, astrophysics.
Seattle
commonobserver.com
10 yrs, 1 mo on Twitter
Tweets: 0.8/day • 68% new, 9% replies, 21% retweets, 0% quotes
1,096 165 
398. profile imageLawrence Bilton✨🔭
@Lawrious


29. [email protected] Astro PhD student in proper motion. Casual Astro Tweeting. Forever climbing the distance ladder. Jovial about life, serious about Astronomy.
Hull, England
observationalastronomer.com
10 yrs, 3 mos on Twitter
Tweets: 7/day • 28% new, 50% replies, 19% retweets, 3% quotes
1,095 52 
399. profile imageJonti Horner
@JontiHorner


Astronomer and astrobiologist based at the University of Southern Queensland. Research Exoplanets, our Solar system, and Habitability, among other things...
Toowoomba
jontihorner.com
Google Scholar page
7 yrs, 11 mos on Twitter
Tweets: 5/day • 2% new, 21% replies, 77% retweets, 0% quotes
1,092 69 
400. profile imageDr Duncan Forgan
@dh4gan


Computational astrophysicist, author of 'Solving Fermi's Paradox' (Cambridge University Press), now a software dev for @airtsltd. Tweets my own, no-one else's.
Edinburgh, Scotland
10 yrs, 2 mos on Twitter
Tweets: 2/day • 3% new, 18% replies, 66% retweets, 14% quotes
1,075 72 
401. profile imageLuke_Drury
@Luke_Drury


Emeritus Professor of Astrophysics at DIAS. Member and former president Royal Irish Academy. Board member ALLEA. All views expressed in tweets are personal.
Dublin, Ireland
Google Scholar page
11 yrs, 2 mos on Twitter
Tweets: 2/day • 8% new, 35% replies, 19% retweets, 37% quotes
1,069 25 
402. profile imageJorge I. Zuluaga
@zuluagageorge


Astronomer: Planets and Astrobiology ● Universidad de Antioquia ● aka. @zuluagajorge ● Procrastinator as a Choice ● Programmer as a Curse
Medellin / Colombia
bit.ly/JorgeZuluaga-S…
Google Scholar page
4 yrs, 11 mos on Twitter
Tweets: 2/day • 29% new, 23% replies, 35% retweets, 14% quotes
1,051 27 
403. profile imageBob Nichol
@robertcnichol


Astronomer and PVC of Research and Innovation @ University of Portsmouth. Opinions are my own especially about Southern Fail
England
icg.port.ac.uk
9 yrs, 10 mos on Twitter
Tweets: 2/day • 31% new, 0% replies, 39% retweets, 30% quotes
1,050 56 
404. profile imageDr Robert Minchin
@robminchin


Instrument Scientist for @USRAedu at @SOFIAtelescope, opinions mine. Formerly at @NAICObservatory and @CardiffPHYSX. Studied at @Durham_Uni & @CardiffUni.
Arecibo
naic.edu/~rminchin
Google Scholar page
10 yrs, 0 mos on Twitter
Tweets: 3/day • 22% new, 22% replies, 46% retweets, 10% quotes
1,050 66 
405. profile imageJeffrey Silverman
@J_M_Silverman


Earthling, Data Scientist, Astrophysicist, Disneyphile, Science Communicator, TV & Movie & Beer Fan, Pub Quizzer, CA+TX, proud American Jew. All this is mine.
San Francisco, CA
jeffreymsilverman.com
Google Scholar page
7 yrs, 9 mos on Twitter
Tweets: 1/day • 38% new, 21% replies, 31% retweets, 10% quotes
1,043 42 
406. profile imageA R Cooray
@acooray


(Astro)-Physicist @NASAOriginsTele Chair. CDIM Probe PI, SPHEREx CoI @UCIrvine @MIT @Caltech @UrekaScience
10 yrs, 11 mos on Twitter
Tweets: 2/day • 21% new, 18% replies, 31% retweets, 30% quotes
1,034 70 
407. profile imageDr. Sarah Jane Schmidt
@sjs917


Astronomer currently based in Berlin/Potsdam, working on the coolest (lowest temperature and most awesome) stars. Works toward inclusion. She/her/hers.
sarahjaneschmidt.com
7 yrs, 6 mos on Twitter
Tweets: 1/day • 29% new, 49% replies, 18% retweets, 4% quotes
1,031 40 
408. profile imageBrant Robertson
@brant_robertson


Proud father of triplets. Theoretical astrophysicist, UC Santa Cruz (@ucsc). Former @UW, @Harvard, @UChicago, @Caltech, @UofA, @the_IAS.
Santa Cruz, CA
robertson.sites.ucsc.edu
Google Scholar page
6 yrs, 11 mos on Twitter
Tweets: 2/day • 11% new, 35% replies, 37% retweets, 17% quotes
1,028 59 
409. profile imageLisa Will
@dustchick


Astrophysicist, educator, geek. She/her. Professor, Physics/Astronomy, San Diego City College. Resident Astronomer, Fleet Science Center.
San Diego, CA
10 yrs, 4 mos on Twitter
Tweets: 6/day • 14% new, 24% replies, 51% retweets, 12% quotes
1,024 98 
410. profile imageAlex Teachey
@alexteachey


Columbia astro PhD student looking for exomoons. allergic to pseudoscience & fundamentalism. developing @MoonPy2019. I also make music. 🏳️‍🌈
New York, NY
alexteachey.com
8 yrs, 9 mos on Twitter
Tweets: 2/day • 27% new, 26% replies, 30% retweets, 18% quotes
1,019 33 
411. profile imageDr Chris Tibbs
@chris_tibbs


Advocate for #OpenAccess and #OpenData at the @UniOfExeter. Astrophysicist. Tea lover. Formerly of @JodrellBank, @Caltech, and @ESA.
Exeter, UK
orcid.org/0000-0002-3651…
10 yrs, 4 mos on Twitter
Tweets: 4/day • 14% new, 52% replies, 19% retweets, 15% quotes
1,018 107 
412. profile imageSuzanne Aigrain
@AirborneGrain


astronomer | exoplaneteer | bayesian | poet
Oxford
physics.ox.ac.uk/users/aigrain
5 yrs, 10 mos on Twitter
Tweets: 0.6/day • 16% new, 83% replies, 1% retweets, 0% quotes
1,017 38 
413. profile imageElizabeth Pearson
@EzzyP


Space expert, astrophysicist and News Editor at Sky at Night Magazine. General all-purpose nerd and geek.
Bristol
ezzypearson.co.uk
10 yrs, 3 mos on Twitter
Tweets: 1/day • 24% new, 50% replies, 19% retweets, 6% quotes
1,007 36 

Last tweeted over a year ago

414. profile imageJohn Grunsfeld
@SciAstro


Former lead for Science at NASA (Associate Administrator) Astronaut STS-67,81,103,109,125 Hubble Hugger, Space and Earth explorer
go.nasa.gov/johngrunsfeld
5 yrs, 11 mos on Twitter until last tweet (2018-Jan-11)
Tweets: 0.3/day • 57% new, 1% replies, 37% retweets, 4% quotes
31,865 901 
415. profile imageIn Memoriam
Susan N
@whymommy


Scientist, Mom, Survivor of 4 breast cancers. Also blogging at MothersWithCancer.com and WomeninPlanetaryScience.com. Together, we can do anything.
Washington, D.C.
toddlerplanet.wordpress.com
4 yrs, 0 mos on Twitter until last tweet (2012-Jan-24)
Tweets: 3/day • 70% new, 18% replies, 12% retweets, 0% quotes
6,228 419 
416. profile imageStacie Powell
@powellstacie


Olympic GB 10m Platform Diver Astrophysics PhD student at The University of Cambridge
3 yrs, 11 mos on Twitter until last tweet (2016-Feb-22)
Tweets: 0.3/day • 54% new, 26% replies, 20% retweets, 0% quotes
2,222 105 
417. profile imageJason Marshall
@jasonmarshall


Author of Math Dude's Guide to Algebra; Former host of Math Dude podcast; Physics & astronomy professor
Los Angeles, CA
jasonmarshall.org
9 yrs, 11 mos on Twitter until last tweet (2018-Mar-20)
Tweets: 0.6/day • 45% new, 13% replies, 42% retweets, 0% quotes
2,019 117 
418. profile imageDuilia de Mello
@mulherestrelas


Astrônoma + especialista no telescópio Hubble. Descobri a supernova 1997D e as bolhas azuis. Colaboradora da NASA Goddard e vice-reitora da PUC de Washington
mulherdasestrelas.com
Google Scholar page
1 yr, 9 mos on Twitter until last tweet (2017-Dec-04)
Tweets: 1/day • 29% new, 1% replies, 69% retweets, 0% quotes
1,418 32 
419. profile imageKelsi Singer
@gummyshark


Planetary Scientist - Postdoc for New Horizons Mission to Pluto
Boulder
Google Scholar page
9 yrs, 7 mos on Twitter until last tweet (2018-Mar-09)
Tweets: <0.05/day • 44% new, 36% replies, 15% retweets, 5% quotes
1,074 67