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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-Mar-24 11:00 UTC. Listed users: 389. 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, 1 mo on Twitter
Tweets: 2/day • 76% new, 23% replies, 0% retweets, 0% quotes
13,179,413 47,276 
2. profile imageDr. Brian May
@DrBrianMay


Rocket Ship Builder 🚀🚀🚀🚀🚀
brianmay.com
6 yrs, 5 mos on Twitter
Tweets: 8/day • 88% new, 0% replies, 7% retweets, 4% quotes
941,811 3,308 
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
11 yrs, 11 mos on Twitter
Tweets: 19/day • 13% new, 63% replies, 5% retweets, 20% quotes
613,331 12,903 
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/blog/
Google Scholar page
8 yrs, 6 mos on Twitter
Tweets: 2/day • 11% new, 53% replies, 28% retweets, 8% quotes
439,397 314 
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
9 yrs, 11 mos on Twitter
Tweets: 27/day • 8% new, 82% replies, 2% retweets, 8% quotes
300,211 3,679 
6. profile imageKirk Borne
@KirkDBorne


Principal Data Scientist @BoozAllen. Global Speaker. Top Big Data Science & #AI Influencer. PhD Astrophysicist. Ex-Professor. rocketdatascience.org 📊🔭
Booz Allen Hamilton
linkedin.com/in/kirkdborne
Google Scholar page
7 yrs, 0 mos on Twitter
Tweets: 39/day • 50% new, 25% replies, 19% retweets, 5% quotes
226,119 7,633 
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
10 yrs, 10 mos on Twitter
Tweets: 17/day • 18% new, 53% replies, 22% retweets, 7% quotes
155,665 4,755 
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, 3 mos on Twitter
Tweets: 16/day • 4% new, 85% replies, 3% retweets, 8% quotes
72,375 1,800 
9. profile imageMike Brown
@plutokiller


Astronomer, planet hunter, Pluto killer, bear whisperer, Finger-wrapped dad. Dangerous secularist.
Pasadena, CA
mikebrownsplanets.com
Google Scholar page
9 yrs, 11 mos on Twitter
Tweets: 5/day • 8% new, 81% replies, 7% retweets, 4% quotes
63,567 1,751 
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, 7 mos on Twitter
Tweets: 9/day • 4% new, 37% replies, 13% retweets, 45% quotes
62,188 1,978 
11. 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]kjemisin. she/her https://t.co/KTdjavkCds
Baltimore, MD, USA
etsy.com/shop/PlanetDr
Google Scholar page
9 yrs, 11 mos on Twitter
Tweets: 18/day • 15% new, 55% replies, 26% retweets, 5% quotes
50,375 1,292 
12. profile imageChanda Prescod-Weinstein 🙅🏽‍♀️ 🇧🇧🌈
@IBJIYONGI


#BlackandSTEM Prof of Particle Physics&Cosmology, feminist #STS/#HistSTM. agender cissex woman, tweets by/for me only. #DisorderedCosmos coming @BoldTypeBooks!
Portsmouth/Cambridge/Wakanda
cprescodweinstein.com
10 yrs, 9 mos on Twitter
Tweets: 37/day • 13% new, 51% replies, 29% retweets, 7% quotes
49,643 976 
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
9 yrs, 11 mos on Twitter
Tweets: 1/day • 28% new, 1% replies, 68% retweets, 2% quotes
46,927 1,133 
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, 1 mo on Twitter
Tweets: 9/day • 68% new, 14% replies, 17% retweets, 0% quotes
*Follows 0.94 feeds per follower
46,635* 1,222 
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, 6 mos on Twitter
Tweets: 5/day • 85% new, 1% replies, 13% retweets, 0% quotes
42,609 2,246 
16. profile imageCatherine Q.
@CatherineQ


Astrophysicist, science communicator, over-thinker. One of @HuffPostscience Top 30 Physicists to follow. Autoimmune illness girl. Nomadic Kiwi. Dogs rule.
New Zealand
CatherineQ.com
10 yrs, 0 mos on Twitter
Tweets: 39/day • 20% new, 47% replies, 27% retweets, 6% quotes
40,972 1,738 
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, 1 mo on Twitter
Tweets: 8/day • 19% new, 26% replies, 40% retweets, 15% quotes
39,547 1,625 
18. 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, 7 mos on Twitter
Tweets: 7/day • 5% new, 8% replies, 87% retweets, 0% quotes
36,862 1,077 
19. profile imageIan O'Neill
@astroengine


Recovering British solar astrophysicist, science writer/editor, skeptic, hairy atheist, fairly liberal, rabbit fan.
Woodland Hills, Los Angeles
astroengine.com
10 yrs, 7 mos on Twitter
Tweets: 13/day • 28% new, 32% replies, 33% retweets, 8% quotes
36,046 1,338 
20. 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
9 yrs, 10 mos on Twitter
Tweets: 3/day • 16% new, 33% replies, 23% retweets, 28% quotes
35,257 658 
21. profile imageDr. Selçuk Topal
@astronomTurk


BSc+MSc @AnkaraUni PhD @UniofOxford, Fellow @RoyalAstroSoc @IAU_org #Astronomer #sciencecommunicator Founder of @gelecekuzayda 🚀 Official Twitter Account
Turkey
selcuktopal.net
6 yrs, 2 mos on Twitter
Tweets: 4/day • 44% new, 41% replies, 7% retweets, 8% quotes
34,381 98 
22. 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, 6 mos on Twitter
Tweets: 9/day • 6% new, 38% replies, 37% retweets, 19% quotes
33,610 631 
23. 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, 4 mos on Twitter
Tweets: 9/day • 6% new, 1% replies, 73% retweets, 20% quotes
32,239 983 
24. 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, 7 mos on Twitter
Tweets: 2/day • 27% new, 50% replies, 17% retweets, 6% quotes
31,826 1,145 
25. profile imageRobert Simpson
@orbitingfrog


Googler, astronomer, TED Fellow. Views are my own.
UK
orbitingfrog.com
Google Scholar page
11 yrs, 11 mos on Twitter
Tweets: 3/day • 16% new, 21% replies, 63% retweets, 0% quotes
31,234 449 
26. profile imagechrislintott
@chrislintott


Astronomer, zookeeper and journalist, based at University of Oxford.
Oxford
zooniverse.org
Google Scholar page
10 yrs, 5 mos on Twitter
Tweets: 4/day • 8% new, 59% replies, 21% retweets, 12% quotes
29,278 951 
27. profile imageAlex Parker
@Alex_Parker


Planetary astronomer and artist exploring the origin and history of our solar system. Director of @ESPRESSO_SSERVI. If in doubt, I could probably laser it.
Boulder, Colorado
alexharrisonparker.com
Google Scholar page
10 yrs, 2 mos on Twitter
Tweets: 6/day • 14% new, 77% replies, 5% retweets, 5% quotes
28,669 762 
28. 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, 2 mos on Twitter
Tweets: 8/day • 32% new, 61% replies, 4% retweets, 3% quotes
27,087 972 
29. profile imageAmy Mainzer
@AmyMainzer


Scientist
Jet Propulsion Laboratory
science.jpl.nasa.gov/people/Mainzer/
6 yrs, 1 mo on Twitter
Tweets: 0.4/day • 16% new, 76% replies, 5% retweets, 4% quotes
26,691 808 
30. profile imageDr. Tanya Harrison
@tanyaofmars


🇨🇦 🇺🇸🏳️‍🌈Professional Martian 🛰 Director of Research @asunewspace 💫 Science & Sci-Fi Consultant 🦴 #AnkylosingSpondylitis 🔴 Former ops for: Curiosity+ Oppy+MRO
Toronto / Phoenix
tanyaofmars.com
10 yrs, 0 mos on Twitter
Tweets: 10/day • 6% new, 37% replies, 53% retweets, 4% quotes
26,648 903 
31. profile imageSethShostak
@SethShostak


Astronomer, SETI Institute. Host, of radio show/podcast Big Picture Science
Mountain View, California
bigpicturescience.org
10 yrs, 4 mos on Twitter
Tweets: 0.1/day • 77% new, 12% replies, 3% retweets, 8% quotes
25,928 1,153 
32. profile imageJanna Levin
@JannaLevin


Astrophysicist. Author.
New York City
jannalevin.com
6 yrs, 0 mos on Twitter
Tweets: 2/day • 28% new, 43% replies, 13% retweets, 15% quotes
25,479 623 
33. 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, 3 mos on Twitter
Tweets: 3/day • 8% new, 38% replies, 53% retweets, 1% quotes
23,832 557 
34. 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 w/ hamsters.
🐶|Los Angeles〉+ 🐹|Irvine〉
astropartigirl.com
8 yrs, 10 mos on Twitter
Tweets: 14/day • 6% new, 83% replies, 9% retweets, 2% quotes
23,744 624 
35. 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
8 yrs, 11 mos on Twitter
Tweets: 3/day • 24% new, 41% replies, 28% retweets, 8% quotes
23,302 824 
36. profile imageDavid Grinspoon
@DrFunkySpoon


Astrobiologist, Author, Musician. 👽🚀🎸🎵🌎❤️
Biosphere One
funkyscience.net
Google Scholar page
7 yrs, 6 mos on Twitter
Tweets: 13/day • 16% new, 39% replies, 33% retweets, 10% quotes
23,285 712 
37. 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, 6 mos on Twitter
Tweets: 15/day • 16% new, 25% replies, 54% retweets, 5% quotes
23,260 1,089 
38. profile imageProf. Nicole Gugliucci, Doctor of the Sky
@NoisyAstronomer


Professor, astronomer, education researcher, science communicator, advocate for equity in STEM. Geek, crossfitter, dog mom. She/her. 💙💜💖 Tweets mine; RT≠endorse
New Hampshire, USA
noisyastronomer.com
Google Scholar page
10 yrs, 9 mos on Twitter
Tweets: 14/day • 18% new, 56% replies, 11% retweets, 16% quotes
20,948 1,050 
39. profile imageAlan Duffy
@astroduff


A/Professor in Astrophysics at @Swinburne and Lead Scientist of @RiAus Instagram.com/profalanduffy
Melbourne
alanrduffy.com
Google Scholar page
6 yrs, 8 mos on Twitter
Tweets: 8/day • 12% new, 39% replies, 11% retweets, 38% quotes
20,463 372 
40. 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
8 yrs, 9 mos on Twitter
Tweets: 3/day • 10% new, 33% replies, 38% retweets, 19% quotes
20,279 605 
41. 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
9 yrs, 10 mos on Twitter
Tweets: 3/day • 39% new, 35% replies, 26% retweets, 0% quotes
19,526 412 
42. profile imageJavier Armentia🏳️‍🌈
@javierarmentia


Astrofísico, comunicador científico, escéptico, ateo, mala gente en general. Ah, y gay.
Pamplona
javierarmentia.com
Google Scholar page
9 yrs, 9 mos on Twitter
Tweets: 9/day • 20% new, 44% replies, 31% retweets, 6% quotes
18,599 833 
43. 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, 7 mos on Twitter
Tweets: 3/day • 20% new, 11% replies, 1% retweets, 69% quotes
17,723 613 
44. profile imageProf. Lisa Harvey-Smith
@lisaharveysmith


Astrophysicist, Australian Government’s Women in STEM Ambassador, Author of #WhenGalaxiesCollide, TEDx Speaker, Presenter on @ABCTV Stargazing Live.
Australia
lisaharveysmith.com
7 yrs, 4 mos on Twitter
Tweets: 3/day • 22% new, 29% replies, 30% retweets, 19% quotes
16,664 270 
45. profile imageHakeem Oluseyi
@HakeemOluseyi


Space Science Education Lead for SMD @NASA / Distinguished Research Professor @FloridaTech / How The Universe Works, Outrageous Acts of Science @ScienceChannel
Washington, DC
fit.edu/faculty-profil…
6 yrs, 6 mos on Twitter
Tweets: 3/day • 24% new, 39% replies, 16% retweets, 20% quotes
15,594 329 
46. profile imageJedidah Isler, PhD
@JedidahIslerPhD


Astrophysicist / Professor / Relentless Dreamer / Innovator / Founder & Host @VanguardSTEM / Senior @TEDFellow / @NatGeo Explorer [she]
JedidahIslerPhD.com
8 yrs, 7 mos on Twitter
Tweets: 4/day • 4% new, 33% replies, 34% retweets, 29% quotes
14,885 454 
47. 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, 3 mos on Twitter
Tweets: 19/day • 27% new, 43% replies, 25% retweets, 5% quotes
14,696 615 
48. 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, 4 mos on Twitter
Tweets: 25/day • 16% new, 12% replies, 67% retweets, 5% quotes
*Follows 0.80 feeds per follower
14,491* 752 
49. profile imageLucianne Walkowicz
@shaka_lulu


Astronomer @AdlerPlanet, 5th Chair of Astrobiology @librarycongress, multimedia artist. Ethics of Mars exploration, exoplanets, social justice. Opinions my own.
Chicago, IL
tangledfields.com
Google Scholar page
8 yrs, 1 mo on Twitter
Tweets: 5/day • 6% new, 45% replies, 45% retweets, 4% quotes
14,044 455 
50. 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
7 yrs, 11 mos on Twitter
Tweets: 6/day • 13% new, 58% replies, 27% retweets, 2% quotes
13,812 710 
51. 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
7 yrs, 10 mos on Twitter
Tweets: 4/day • 30% new, 17% replies, 49% retweets, 4% quotes
13,696 492 
52. 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…
7 yrs, 10 mos on Twitter
Tweets: 14/day • 14% new, 37% replies, 43% retweets, 7% quotes
13,187 321 
53. profile imageSarafina Nance
@starstrickenSF


I study exploding stars and cosmology | Astrophysics Ph.D student @UCBerkeley | @NSF fellow | she/her | i like backpacking, IG: @saranovafina
Berkeley, CA
gofundme.com/conets-vet-bil…
3 yrs, 7 mos on Twitter
Tweets: 4/day • 10% new, 66% replies, 22% retweets, 2% quotes
13,031 98 
54. 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
5 yrs, 9 mos on Twitter
Tweets: 1/day • 15% new, 59% replies, 12% retweets, 14% quotes
13,027 167 
55. 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
8 yrs, 11 mos on Twitter
Tweets: 35/day • 19% new, 25% replies, 47% retweets, 10% quotes
12,840 564 
56. profile imageChristine Corbett Moran
@corbett


Cyber Research & Europa Clipper Engineering @NASAJPL, Astrophysics @Caltech, Author, Mom. Past: @SpaceX, @MIT, @SignalApp, @SPTelescope. Science @ScienceCorbett
Pasadena, CA
christinecorbettmoran.com
Google Scholar page
8 yrs, 10 mos on Twitter
Tweets: 7/day • 22% new, 49% replies, 23% retweets, 5% quotes
12,778 491 
57. profile imageSarah Tuttle
@niais


Astrophysicist. We're not going to be shady, just fierce. Professor. Rudderless Conan w/ magic powers you don’t quite understand. 100% problematic. She/her.
Here, I guess.
11 yrs, 2 mos on Twitter
Tweets: 2/day • 9% new, 54% replies, 32% retweets, 5% quotes
*Follows 0.50 feeds per follower
12,454* 388 
58. profile imagePaul M. Sutter
@PaulMattSutter


Astrophysicist, Agent to the Stars
pmsutter.com
Google Scholar page
6 yrs, 11 mos on Twitter
Tweets: 2/day • 38% new, 11% replies, 47% retweets, 4% quotes
*Follows 0.66 feeds per follower
12,300* 298 
59. 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, 1 mo on Twitter
Tweets: 2/day • 13% new, 7% replies, 69% retweets, 10% quotes
11,745 384 
60. 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, 1 mo on Twitter
Tweets: 7/day • 21% new, 49% replies, 27% retweets, 4% quotes
11,486 260 
61. 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
10 yrs, 11 mos on Twitter
Tweets: 9/day • 20% new, 51% replies, 4% retweets, 26% quotes
10,709 933 
62. 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, 1 mo on Twitter
Tweets: 11/day • 91% new, 1% replies, 7% retweets, 1% quotes
*Follows 0.82 feeds per follower
10,438* 299 
63. 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, 7 mos on Twitter
Tweets: 0.5/day • 30% new, 45% replies, 17% retweets, 8% quotes
9,720 218 
64. 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, 0 mos on Twitter
Tweets: 6/day • 16% new, 29% replies, 35% retweets, 20% quotes
9,633 457 
65. 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, 0 mos on Twitter
Tweets: 1/day • 19% new, 72% replies, 1% retweets, 8% quotes
9,589 115 
66. profile imageEd Lu
@astroEdLu


Finding a million asteroids!
Pale Blue Dot
sentinelmission.org
7 yrs, 2 mos on Twitter
Tweets: 0.4/day • 38% new, 11% replies, 50% retweets, 1% quotes
9,559 269 
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, 0 mos on Twitter
Tweets: 7/day • 12% new, 55% replies, 24% retweets, 8% quotes
9,540 248 
68. profile imageEd Copeland
@ProfEdCopeland


Particle cosmologist working on the Early Universe at the University of Nottingham. Views expressed are my own.
Nottingham, UK
6 yrs, 9 mos on Twitter
Tweets: 0.8/day • 28% new, 51% replies, 12% retweets, 10% quotes
9,449 169 
69. profile imageBryan Gaensler 📡🧲
@SciBry


Astronomer, Director of @DunlapInstitute at @UofT, @LRP2020 cochair. Sci-fi connoisseur, rugby tragic, displaced Antipodean, bewildered parent. Opinions ∉ @UofT
Toronto, Canada he/him
bryangaensler.net
Google Scholar page
9 yrs, 7 mos on Twitter
Tweets: 12/day • 17% new, 27% replies, 51% retweets, 5% quotes
9,391 367 
70. 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
7 yrs, 10 mos on Twitter
Tweets: 16/day • 24% new, 59% replies, 10% retweets, 8% quotes
9,182 506 
71. 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 on Mars.
Spaceship Earth
AnitaSengupta.com
7 yrs, 2 mos on Twitter
Tweets: 4/day • 46% new, 27% replies, 13% retweets, 14% quotes
9,033 327 
72. 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, 5 mos on Twitter
Tweets: 0.7/day • 70% new, 2% replies, 19% retweets, 10% quotes
9,002 304 
73. 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, 2 mos on Twitter
Tweets: 8/day • 18% new, 63% replies, 9% retweets, 11% quotes
8,750 242 
74. 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, 3 mos on Twitter
Tweets: <0.05/day • 73% new, 5% replies, 17% retweets, 5% quotes
8,295 249 
75. 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, 6 mos on Twitter
Tweets: 10/day • 5% new, 38% replies, 35% retweets, 22% quotes
8,283 401 
76. profile imageMichele Bannister
@astrokiwi


Planetary astronomer, poet, hunter of new and strange worlds. Connoisseur of fuzzy dots of light. Asteroid (10463). Postdoctoral Research Fellow @AstroQUB.
living the life non-sidereal
astro.uvic.ca/~micheleb/
10 yrs, 0 mos on Twitter
Tweets: 6/day • 10% new, 68% replies, 15% retweets, 8% quotes
8,120 358 
77. 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, 0 mos on Twitter
Tweets: 10/day • 14% new, 21% replies, 59% retweets, 7% quotes
7,928 371 
78. 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
8 yrs, 11 mos on Twitter
Tweets: 18/day • 8% new, 76% replies, 11% retweets, 5% quotes
7,858 347 
79. 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, 5 mos on Twitter
Tweets: 13/day • 12% new, 71% replies, 13% retweets, 4% quotes
7,602 206 
80. profile imageDr James O'Donoghue
@physicsJ


Planetary Scientist @NASAGoddard. Researching: #Saturn #Rings #Aurora #Jupiter #GreatRedSpot #Atmospheres From UK, in US. Tweets/animations my own, not NASA!🔭
Maryland, USA
jamesodonoghue.wixsite.com/home/animations
Google Scholar page
8 yrs, 3 mos on Twitter
Tweets: 2/day • 12% new, 58% replies, 18% retweets, 12% quotes
7,574 99 
81. profile imageDr. Karan Jani
@AstroKPJ


Gravitational Wave Astrophysicist, @LIGO Scientist | Formerly - Sam Nunn Security Fellow, Georgia Tech, Penn State | @Forbes ‘30 Under 30’, @TEDtalks speaker
Atlanta / Baroda
KaranJani.com
7 yrs, 9 mos on Twitter
Tweets: 4/day • 26% new, 35% replies, 22% retweets, 17% quotes
7,551 95 
82. 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, 5 mos on Twitter
Tweets: 0.1/day • 42% new, 35% replies, 15% retweets, 7% quotes
7,472 356 
83. profile imageDr Jane MacArthur
@Jane_MacArthur


Planetary scientist @UniOfLeicester studying martian meteorites & comet dust. Writer @PopAstro. Fellow @RoyalAstroSoc #RAS200 #Violinist
Mars
janemac.org
Google Scholar page
10 yrs, 1 mo on Twitter
Tweets: 2/day • 23% new, 45% replies, 22% retweets, 10% quotes
7,251 315 
84. profile imageAnna Hughes
@AnnaGHughes


Astrophysics PhD candidate // thesis on space weather of ultracool M dwarfs. Into snowboarding, ultimate, & sci-fi. boring insta @liliesforachilles
Vancouver, British Columbia
annagwenhughes.com
2 yrs, 4 mos on Twitter
Tweets: 3/day • 16% new, 56% replies, 23% retweets, 6% quotes
7,133 96 
85. profile imageÁngel López-Sánchez
@El_Lobo_Rayado


Spanish Astrophysicist & Science Communicator at @AAOMacquarie & @MQPhysAstro Australia. Español https://t.co/qPaSJsgUvY y https://t.co/jYnDPDLJ7x
Sydney, Australia
angelrls.wordpress.com
7 yrs, 10 mos on Twitter
Tweets: 12/day • 3% new, 59% replies, 27% retweets, 11% quotes
7,003 351 
86. profile imageMario Livio
@Mario_Livio


Internationally known astrophysicist. Author: The Golden Ratio, Brilliant Blunders, WHY? mario-livio.com
Baltimore,MD
mario-livio.com
6 yrs, 11 mos on Twitter
Tweets: 7/day • 20% new, 1% replies, 43% retweets, 36% quotes
6,870 368 
87. profile imageJulianne Dalcanton
@dalcantonJD


Astrophysicist at the University of Washington. Principal Investigator of the Panchromatic Hubble Andromeda Treasury (PHAT).
7 yrs, 2 mos on Twitter
Tweets: 11/day • 4% new, 54% replies, 35% retweets, 7% quotes
6,847 296 
88. 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
7 yrs, 11 mos on Twitter
Tweets: 3/day • 34% new, 57% replies, 7% retweets, 2% quotes
6,597 237 
89. profile imageDr Chiara Mingarelli
@Dr_CMingarelli


Gravitational-wave astrophysicist. Flatiron Research Fellow at @FlatironCCA. Previously @Caltech, @NASAJPL, and MPIfR. Views my own.
New York, NY
chiaramingarelli.com
Google Scholar page
8 yrs, 0 mos on Twitter
Tweets: 11/day • 8% new, 5% replies, 80% retweets, 6% quotes
6,396 402 
90. profile imageLewis Dartnell
@lewis_dartnell


Prof., astrobiology researcher, science communicator & book author (the-knowledge.org | geni.us/origins)
London
lewisdartnell.com
9 yrs, 10 mos on Twitter
Tweets: 5/day • 12% new, 28% replies, 57% retweets, 4% quotes
6,334 357 
91. 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
7 yrs, 8 mos on Twitter
Tweets: 13/day • 14% new, 76% replies, 3% retweets, 6% quotes
6,291 168 
92. profile imageProf. Chris Welch
@ProfChrisWelch


@ISUnet space prof, @WorldSpaceWeek VChair, @BIS_Spaceflight @SpacelinkLF @AlunaLondon boards, @I4Interstellar @MoonVillageAssn advisor, member @SpaceResourceWG
Strasbourg, France
isunet.edu/prof-christoph…
10 yrs, 2 mos on Twitter
Tweets: 2/day • 59% new, 5% replies, 35% retweets, 0% quotes
6,288 240 
93. 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, 6 mos on Twitter
Tweets: 2/day • 6% new, 25% replies, 65% retweets, 4% quotes
6,274 203 
94. 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, 7 mos on Twitter
Tweets: 5/day • 50% new, 7% replies, 20% retweets, 22% quotes
6,260 405 
95. profile imageTrueSciPhi / Kelly Truelove
@TrueSciPhi


A window on science, mathematics, and philosophy communities on Twitter and YouTube, by Kelly Truelove (physics PhD). See site for more.
Austin, Texas
TrueSciPhi.org
Google Scholar page
3 yrs, 9 mos on Twitter
Tweets: 0.3/day • 36% new, 17% replies, 38% retweets, 8% quotes
6,257 231 
96. profile imageDr Rachael Livermore
@rclivermore


Astrophysicist | Science Communicator. Videos of my public talks at bit.ly/SciTalks
London, England
rlivermore.com
10 yrs, 9 mos on Twitter
Tweets: 9/day • 10% new, 71% replies, 13% retweets, 5% quotes
6,250 194 
97. 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, 2 mos on Twitter
Tweets: 10/day • 10% new, 46% replies, 41% retweets, 3% quotes
6,225 105 
98. 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, 2 mos on Twitter
Tweets: 1/day • 28% new, 45% replies, 3% retweets, 24% quotes
6,173 318 
99. profile imageJason Wright
@Astro_Wright


Associate Professor of Astronomy and Astrophysics at Penn State. Son, husband, father, scientist, teacher, student, human. Mostly posting astronomy.
State College, PA, USA
sites.psu.edu/astrowright/
Google Scholar page
6 yrs, 6 mos on Twitter
Tweets: 3/day • 20% new, 57% replies, 19% retweets, 4% quotes
6,144 207 
100. 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, 6 mos on Twitter
Tweets: 0.1/day • 43% new, 43% replies, 8% retweets, 7% quotes
6,081 93 
101. 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, 8 mos on Twitter
Tweets: 10/day • 3% new, 4% replies, 93% retweets, 0% quotes
5,999 184 
102. 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, 3 mos on Twitter
Tweets: 3/day • 20% new, 13% replies, 58% retweets, 9% quotes
5,993 432 
103. 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…
7 yrs, 11 mos on Twitter
Tweets: 5/day • 38% new, 25% replies, 35% retweets, 2% quotes
5,917 86 
104. profile imagePeter Coles 🌈 🇪🇺 🇮🇪
@telescoper


Theoretical astrophysicist specialising in the Universe and all that surrounds it. Also into jazz, opera, poetry & crosswords. Beard of the Year 2018. #FBPE
Maynooth, Co Kildare, Ireland
telescoper.wordpress.com
Google Scholar page
9 yrs, 5 mos on Twitter
Tweets: 21/day • 34% new, 23% replies, 31% retweets, 12% quotes
5,882 322 
105. profile imageJames Tuttle Keane
@jtuttlekeane


Postdoc at @Caltech. Studying planetary geophysics of rocky & icy worlds. Occasional science illustrator. Trekkie. Dog dad. He/him.
Pasadena, CA
jamestuttlekeane.com
5 yrs, 0 mos on Twitter
Tweets: 2/day • 20% new, 17% replies, 55% retweets, 8% quotes
5,838 205 
106. profile imageMarc Kuchner
@marckuchner


PI of Citizen Science projects backyardworlds.org, diskdetective.org, Astrophysicist, Songwriter.
Greenbelt, MD
marketingforscientists.com
10 yrs, 3 mos on Twitter
Tweets: 0.5/day • 32% new, 25% replies, 13% retweets, 30% quotes
5,737 199 
107. profile imageDan Hooper
@DanHooperAstro


Physicist and author at Fermilab and the University of Chicago
Chicago, IL
1 yr, 4 mos on Twitter
Tweets: 3/day • 12% new, 31% replies, 45% retweets, 12% quotes
5,704 105 
108. profile imageDr JJ Eldridge
@astro_jje


NZ theoretical astrophysicist studying exploding binary stars. Lecturer, Speaker, Sci-fi addict, feminist, enby trans woman. Pronouns: she/her/they.
Auckland, New Zealand
jjeldridge.blogs.auckland.ac.nz
Google Scholar page
5 yrs, 11 mos on Twitter
Tweets: 22/day • 11% new, 21% replies, 65% retweets, 3% quotes
5,686 134 
109. profile imageDr./Prof. Renée Hložek
@reneehlozek


South African cisgender, bisexual woman Assistant Prof. of Astrophysics, Rhodes scholar (and lover of loud karaoke), Senior TED Fellow. Feminist scientist.
Toronto, Ontario
reneehlozek.com
Google Scholar page
9 yrs, 7 mos on Twitter
Tweets: 4/day • 22% new, 41% replies, 23% retweets, 14% quotes
5,589 244 
110. profile imageProf. Emily Rice, Ph.D.
@emilylurice


Astronomer at @csinews, @GC_CUNY, @AMNH, #BDNYC, & #CUNYAstro; @AstronomyOnTap organizer, 1/2 of @startorialist, & @knitted_bd host ⭐️. Not @djcarlysagan 😜
Occupied Lunaape Land (NYC)
emilylrice.me
Google Scholar page
11 yrs, 6 mos on Twitter
Tweets: 3/day • 8% new, 43% replies, 39% retweets, 9% quotes
5,422 213 
111. 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, 5 mos on Twitter
Tweets: 3/day • 14% new, 46% replies, 27% retweets, 13% quotes
5,371 169 
112. profile imageDavid Spergel
@DavidSpergel


Astrophysicist at Princeton University and Flatiron Institute
Princeton NJ
astro.princeton.edu/~dns
5 yrs, 2 mos on Twitter
Tweets: 0.6/day • 37% new, 23% replies, 25% retweets, 15% quotes
5,346 191 
113. profile imageJesse Shanahan | #GTC19
@Enceladosaurus


Data scientist at Booz Allen. Astrophysicist. Passions: ethical AI for HADR, video/board game accessibility, & 🍟. Cofounded @AAS_WGAD, created #disabledandSTEM
Stolen Manahoac Land
enceladosaur.us
7 yrs, 9 mos on Twitter
Tweets: 12/day • 20% new, 60% replies, 14% retweets, 6% quotes
5,343 213 
114. profile imageEmily Petroff
@ebpetroff


Astronomer. Reader. Random number generator. I study things that go bang. 📡💥 Veni Fellow studying fast radio bursts at the University of Amsterdam in the API.
The Netherlands
ebpetroff.com
5 yrs, 8 mos on Twitter
Tweets: 3/day • 36% new, 45% replies, 9% retweets, 10% quotes
5,335 103 
115. profile imageMapperwocky 📎⛰⚒
@cirquelar


Dr. Fred Calef III, working InSight, Curiosity, & Mars2020, PhD in Rock Licking, Sciengineering at @NASA_JPL. Will map landing sites for food (comments my own)
Mars via JPL via Surf City
9 yrs, 8 mos on Twitter
Tweets: 25/day • 9% new, 22% replies, 67% retweets, 2% quotes
5,312 433 
116. 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, 7 mos on Twitter
Tweets: 31/day • 10% new, 85% replies, 1% retweets, 4% quotes
5,214 180 
117. profile imageGuy Consolmagno
@specolations


Brother astronomer at the Vatican Observatory, occasional book author
6 yrs, 3 mos on Twitter
Tweets: 1/day • 10% new, 7% replies, 76% retweets, 6% quotes
5,199 177 
118. profile imageAmedeo Balbi
@amedeo_balbi


(Astro)physicist, associate professor @UniTorVergata. Columnist @Le_Scienze. Author
Roma, Italy
amedeobalbi.it
Google Scholar page
10 yrs, 11 mos on Twitter
Tweets: 1.0/day • 34% new, 9% replies, 52% retweets, 6% quotes
5,166 166 
119. profile imageMeredith Rawls
@merrdiff


Stellar astronomer and data management for @LSST. Also: mom, scicommer, violist, Episcopalian. Less nighttime blue light, more 24/7 equity. Keep looking up.
Seattle, WA
faculty.washington.edu/mrawls
9 yrs, 1 mo on Twitter
Tweets: 4/day • 36% new, 35% replies, 16% retweets, 13% quotes
5,070 165 
120. 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, 1 mo on Twitter
Tweets: 2/day • 20% new, 39% replies, 37% retweets, 5% quotes
5,064 254 
121. profile imageJessica Kirkpatrick
@berkeleyjess


✦ Jessica Ann Kirkpatrick ✦ Astrophysicist → Data Scientist ✦ #scientist #techie #runner #writer ✦
San Francisco, CA
berkeleyjess.blogspot.com
9 yrs, 8 mos on Twitter
Tweets: 1/day • 42% new, 29% replies, 25% retweets, 4% quotes
5,025 293 
122. 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, 3 mos on Twitter
Tweets: 5/day • 12% new, 23% replies, 51% retweets, 14% quotes
4,969 323 
123. 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, 0 mos on Twitter
Tweets: 4/day • 19% new, 21% replies, 42% retweets, 18% quotes
4,964 300 
124. profile imageTom Kerss
@tomkerss


THE FOUNDER OF SPACEOLOGY. No relation to either Lady Gaga or Shaggy. #Stargazing #Moongazing Astronomer @ROGAstronomers Insta: astronomeh 📸
Greenwich, London
tomkerss.co.uk
10 yrs, 1 mo on Twitter
Tweets: 3/day • 30% new, 33% replies, 27% retweets, 10% quotes
4,931 212 
125. 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, 2 mos on Twitter
Tweets: 1/day • 21% new, 55% replies, 20% retweets, 4% quotes
4,899 114 
126. 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, 5 mos on Twitter
Tweets: 1/day • 72% new, 9% replies, 5% retweets, 14% quotes
4,843 209 
127. profile imageAlice Sheppard
@PenguinGalaxy


Citizen scientist volunteer turned researcher at @ucl_excites. ❤️ science for & by everyone. Enemy of Brexit. @GalaxyZoo turned me into a penguin. She/her ⭐️🔭
ra=144.437, dec=2.759
togetherscience.eu/blog/introduci…
10 yrs, 1 mo on Twitter
Tweets: 49/day • 14% new, 45% replies, 33% retweets, 8% quotes
4,829 400 
128. 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, 0 mos on Twitter
Tweets: 0.1/day • 50% new, 9% replies, 21% retweets, 20% quotes
4,822 249 
129. 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, 0 mos on Twitter
Tweets: 1/day • 39% new, 27% replies, 12% retweets, 22% quotes
4,669 148 
130. 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
8 yrs, 10 mos on Twitter
Tweets: 9/day • 12% new, 12% replies, 69% retweets, 6% quotes
4,654 260 
131. profile imageRisa Wechsler
@RisaWechsler


astrophysicist. cosmologist. maker of universes and various kinds of trouble. professor of physics @stanford and director of @kipac1
San Francisco
risawechsler.com
Google Scholar page
6 yrs, 6 mos on Twitter
Tweets: 2/day • 14% new, 33% replies, 22% retweets, 32% quotes
4,593 147 
132. 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, 7 mos on Twitter
Tweets: 18/day • 28% new, 34% replies, 31% retweets, 6% quotes
4,590 259 
133. profile imageKevin Schawinski
@kevinschawinski


Co-founder/CEO @modulos_ai
Zurich, Switzerland
modulos.ai
Google Scholar page
8 yrs, 1 mo on Twitter
Tweets: 9/day • 14% new, 57% replies, 21% retweets, 8% quotes
4,590 254 
134. profile imageAndy Rivkin
@asrivkin


Planetary astronomer on #TeamAsteroid; Gedankenband member and guitarist; Persistently Obstreperous.
#USAstronomyGoodwillAmbassador ⊗
imperturbable-music.blogspot.com
Google Scholar page
10 yrs, 9 mos on Twitter
Tweets: 17/day • 26% new, 57% replies, 11% retweets, 6% quotes
4,578 245 
135. profile imageDr Jen Gupta
@jen_gupta


Space nerd. @UoPCosmology astronomy outreach. @SeldomSirius podcaster. @TWBBC Live presenter. @WinSciFest. Active Galaxies were my 1st love. Own views [she/her]
Winchester, UK
jengupta.com
9 yrs, 7 mos on Twitter
Tweets: 4/day • 29% new, 55% replies, 5% retweets, 11% quotes
4,537 192 
136. profile imageDr Anna Watts
@drannawatts


Associate 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
4 yrs, 9 mos on Twitter
Tweets: 10/day • 24% new, 57% replies, 13% retweets, 6% quotes
4,527 145 
137. profile imageMaria Womack
@StarzanPlanets


Astrophysicist & planetary scientist, USF Professor #teamcomet #astrochemistry #scipolicy #climatechange #planetarydefense No pseudoscience. Looking up and out!
Florida, USA
mariawomack.com
Google Scholar page
9 yrs, 7 mos on Twitter
Tweets: 5/day • 9% new, 61% replies, 25% retweets, 5% quotes
4,460 256 
138. 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, 7 mos on Twitter
Tweets: 5/day • 70% new, 11% replies, 13% retweets, 6% quotes
4,436 65 
139. 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, 4 mos on Twitter
Tweets: 0.5/day • 46% new, 16% replies, 7% retweets, 31% quotes
4,404 224 
140. 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, 4 mos on Twitter
Tweets: 3/day • 34% new, 16% replies, 39% retweets, 10% quotes
4,266 310 
141. 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
10 yrs, 11 mos on Twitter
Tweets: 52/day • 0% new, 32% replies, 63% retweets, 4% quotes
4,250 337 
142. 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, 2 mos on Twitter
Tweets: 2/day • 18% new, 29% replies, 46% retweets, 6% quotes
4,247 267 
143. 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, 2 mos on Twitter
Tweets: 1/day • 19% new, 61% replies, 15% retweets, 4% quotes
4,188 119 
144. profile imageDr. Sarah Milkovich
@milkysa


Science Operations Team Chief for NASA's Mars 2020 Rover. Previously on Mars Reconnaissance Orbiter/HiRISE, Curiosity, Cassini, Mars Phoenix. Opinions my own.
Los Angeles, CA
planetarywanderings.wordpress.com
9 yrs, 2 mos on Twitter
Tweets: 3/day • 9% new, 23% replies, 63% retweets, 6% quotes
4,133 220 
145. 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
8 yrs, 11 mos on Twitter
Tweets: 4/day • 24% new, 53% replies, 11% retweets, 12% quotes
4,128 176 
146. profile imagePeter Edmonds
@PeterDEdmonds


Work in astronomy publicity after surviving an astrophysics PhD & postdocs. Interested in science & scicomm. Opinions are mine & RTs aren't always endorsements.
peterdedmonds.blogspot.com
7 yrs, 2 mos on Twitter
Tweets: 12/day • 18% new, 47% replies, 16% retweets, 20% quotes
4,104 310 
147. 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).
LDN, Lytham, MCR (UK)
saturnsheila.wordpress.com
8 yrs, 3 mos on Twitter
Tweets: 4/day • 8% new, 38% replies, 49% retweets, 5% quotes
3,931 181 
148. 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
9 yrs, 11 mos on Twitter
Tweets: 1/day • 16% new, 66% replies, 15% retweets, 4% quotes
3,919 115 
149. profile imageDavid Kipping
@david_kipping


Exoplanets & Exomoons, Columbia University, Cool Worlds Lab. RTs ≠ endorsements
Manhattan, NY
coolworlds.astro.columbia.edu
Google Scholar page
10 yrs, 0 mos on Twitter
Tweets: 2/day • 18% new, 49% replies, 21% retweets, 12% quotes
3,878 151 
150. profile imageDr Maggie Lieu
@Space_Mog


An Astrophysicist working at @ESA. Trying to understand the dark Universe with statistics, ML & @ESA_Euclid. Past: @unibirmingham, @UCLA, @UniKent OMO
Community of Madrid, Spain
maggielieu.com
Google Scholar page
5 yrs, 10 mos on Twitter
Tweets: 2/day • 18% new, 63% replies, 17% retweets, 2% quotes
3,817 127 
151. 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, 4 mos on Twitter
Tweets: 7/day • 21% new, 33% replies, 20% retweets, 26% quotes
3,789 157 
152. profile imageLaura Parro
@LauraMParro


Planetary scientist and #space lover🚀👩‍🚀 | Geologist 🌍 | PhD candidate at @unicomplutense | Martian 🔴 | #WomenInScience 👩‍🔬 #Outreach 🗣️ #Education 🎓
Spain / Mars
lauramparro.wordpress.com
8 yrs, 5 mos on Twitter
Tweets: 2/day • 8% new, 34% replies, 49% retweets, 8% quotes
3,778 86 
153. profile imageKimberly EnnicoSmith
@kennicosmith


World, let's do that next impossible task: become a multi-planet species in a space-faring civilization. Solving our planet's problems as part of the journey.
Mountain View, CA
kandrsmith.org/KES/
11 yrs, 1 mo on Twitter
Tweets: 4/day • 28% new, 3% replies, 39% retweets, 30% quotes
3,775 297 
154. 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, 2 mos on Twitter
Tweets: 2/day • 41% new, 15% replies, 35% retweets, 9% quotes
3,743 204 
155. profile imageJames Bullock
@jbprime


Astronomer. Cosmologist. Befuddled dad. Professor at #UCIrvine. Chair of @UCIPhysAstro Sometimes mumbler on @ScienceChannel #HTUW
Irvine, California, USA
physics.uci.edu/~bullock/
Google Scholar page
9 yrs, 7 mos on Twitter
Tweets: 2/day • 16% new, 17% replies, 53% retweets, 14% quotes
3,742 120 
156. profile imageDr Natalie Starkey
@StarkeyStardust


Started life as a geologist, now sucked into space! Popular science author, scientist, writer, science communicator.
United Kingdom
nataliestarkey.com
7 yrs, 1 mo on Twitter
Tweets: 2/day • 15% new, 51% replies, 27% retweets, 7% quotes
3,666 127 
157. 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
9 yrs, 9 mos on Twitter
Tweets: 4/day • 7% new, 76% replies, 11% retweets, 6% quotes
3,656 241 
158. 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, 6 mos on Twitter
Tweets: 4/day • 42% new, 30% replies, 14% retweets, 14% quotes
3,617 214 
159. 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
10 yrs, 8 mos on Twitter
Tweets: 5/day • 52% new, 8% replies, 37% retweets, 4% quotes
3,606 220 
160. profile imageMeghan Gray
@emeegray


Astronomer. Mother. Stranger in a strange land. All views my own.
Nottingham
nottingham.ac.uk/~ppzmeg
7 yrs, 8 mos on Twitter
Tweets: 0.8/day • 13% new, 49% replies, 21% retweets, 16% quotes
3,600 89 
161. 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, 0 mos on Twitter
Tweets: 2/day • 13% new, 27% replies, 48% retweets, 12% quotes
3,585 96 
162. 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, 0 mos on Twitter
Tweets: 4/day • 45% new, 29% replies, 15% retweets, 11% quotes
3,553 282 
163. 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/
10 yrs, 9 mos on Twitter
Tweets: 2/day • 25% new, 25% replies, 45% retweets, 5% quotes
3,520 98 
164. profile imageAdam Becker
@FreelanceAstro


Astrophysicist, journalist, author. My book on the quest for the meaning of quantum physics, WHAT IS REAL?, out with @BasicBooks: whatisreal.freelanceastro.com
CA
freelanceastro.com
Google Scholar page
8 yrs, 10 mos on Twitter
Tweets: 0.8/day • 20% new, 51% replies, 24% retweets, 5% quotes
3,515 144 
165. 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
10 yrs, 9 mos on Twitter
Tweets: 1/day • 26% new, 33% replies, 25% retweets, 14% quotes
3,485 262 
166. profile imageEmma Chapman
@DrEOChapman


Astrophysicist, Royal Society Dorothy Hodgkin Fellow, Imperial College London. Campaigner on sexual misconduct in HE w/ @1752group.
London, England
dremmachapman.wordpress.com
Google Scholar page
2 yrs, 5 mos on Twitter
Tweets: 4/day • 20% new, 40% replies, 29% retweets, 10% quotes
3,446 41 
167. 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
8 yrs, 9 mos on Twitter
Tweets: 2/day • 17% new, 41% replies, 41% retweets, 2% quotes
3,381 143 
168. profile image🦁 Leo C. Stein
@duetosymmetry


Physics Prof @ U of MS. Black holes, gravitational waves, general relativity & beyond. Formerly @Caltech @MIT @Cornell. I need thin pizza and fruity coffee
Oxford, MS
duetosymmetry.com
Google Scholar page
10 yrs, 0 mos on Twitter
Tweets: 5/day • 6% new, 48% replies, 44% retweets, 2% quotes
3,357 100 
169. profile imageLori Fenton
@LoriKFenton


I am a planetary aeolian geomorphologist at @SETIInstitute studying wind-formed features (like sand dunes). I blog about it weekly: cosmicdiary.org/lfenton/
Bay area, California
seti.org/our-scientists…
Google Scholar page
7 yrs, 4 mos on Twitter
Tweets: 3/day • 7% new, 57% replies, 31% retweets, 5% quotes
3,346 185 
170. 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.
5 yrs, 8 mos on Twitter
Tweets: 31/day • 4% new, 31% replies, 40% retweets, 25% quotes
3,345 142 
171. 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, 2 mos on Twitter
Tweets: 0.5/day • 22% new, 17% replies, 58% retweets, 3% quotes
3,328 101 
172. profile imageMonica Grady
@MonicaGrady


short, round, bespectacled, busy and bossy. Opinions my own
monicamgrady.com
9 yrs, 11 mos on Twitter
Tweets: 0.9/day • 44% new, 7% replies, 9% retweets, 41% quotes
3,321 111 
173. profile imageSarah Ballard
@hubbahubble


Habitable worlds, kindness, fiction, etc. At ~75 km/s*Mpc! One half of @drssarahcare
Cambridge, MA
space.mit.edu/~sarahba
5 yrs, 1 mo on Twitter
Tweets: 6/day • 10% new, 7% replies, 77% retweets, 6% quotes
3,304 150 
174. 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
9 yrs, 10 mos on Twitter
Tweets: 2/day • 24% new, 68% replies, 3% retweets, 5% quotes
3,258 170 
175. 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, 7 mos on Twitter
Tweets: 2/day • 17% new, 37% replies, 37% retweets, 9% quotes
3,209 164 
176. 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, 4 mos on Twitter
Tweets: 9/day • 27% new, 56% replies, 10% retweets, 7% quotes
3,143 152 
177. 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, 3 mos on Twitter
Tweets: 8/day • 6% new, 7% replies, 78% retweets, 9% quotes
3,125 138 
178. 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, 0 mos on Twitter
Tweets: 0.5/day • 42% new, 35% replies, 21% retweets, 2% quotes
3,088 35 
179. profile imageKurtis Williams
@professor_astro


Assistant professor at Texas A&M University - Commerce
Commerce, TX, USA
blog.professorastronomy.com
10 yrs, 1 mo on Twitter
Tweets: 0.8/day • 24% new, 36% replies, 36% retweets, 4% quotes
3,087 251 
180. 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
11 yrs, 8 mos on Twitter
Tweets: 3/day • 23% new, 30% replies, 33% retweets, 14% quotes
3,082 221 
181. 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, 0 mos on Twitter
Tweets: 1/day • 34% new, 49% replies, 11% retweets, 6% quotes
3,062 120 
182. 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, 8 mos on Twitter
Tweets: 1/day • 18% new, 13% replies, 51% retweets, 17% quotes
3,039 125 
183. 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, 3 mos on Twitter
Tweets: 2/day • 11% new, 44% replies, 32% retweets, 14% quotes
3,007 155 
184. 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
9 yrs, 11 mos on Twitter
Tweets: 3/day • 42% new, 24% replies, 25% retweets, 8% quotes
2,960 271 
185. profile imageDr. John Barentine FRAS
@JohnBarentine


Nyctologist. Policy nerd. Astronomer. Historian. Vinyl junkie. Proud LGBT American. Questioning everything. Retiring to asteroid 14505. #scicomm #scipol
Tucson, AZ, USA
johncbarentine.com
Google Scholar page
8 yrs, 11 mos on Twitter
Tweets: 12/day • 14% new, 28% replies, 45% retweets, 12% quotes
2,957 197 
186. profile imageGemma Lavender
@Gemma_Lavender


Editor-in-Chief, Science @FuturePlc, astrophysicist, FRAS, author of Quantum Physics in Minutes & Haynes' Large Hadron Collider. Opinions own.
1 AU
futureplc.com
7 yrs, 10 mos on Twitter
Tweets: 2/day • 36% new, 17% replies, 37% retweets, 10% quotes
2,931 109 
187. profile imageDr Erin Ryan
@erinleeryan


Doctor of the flying space rocks, prez of Science on Cake Appreciation Society, collector of orchid plants & stress baker. Not tweeting for any employer.
The shores of the crab infested impact crater
erinleeryan.com
9 yrs, 6 mos on Twitter
Tweets: 21/day • 28% new, 67% replies, 1% retweets, 5% quotes
2,911 210 
188. profile imageEmily Levesque ✨🔭
@emsque


Astronomer, author, bizarre star enthusiast, telescope story collector. || The real exciting sound in science is not 'Eureka!', it's 'huh, that's weird...'
Seattle, WA
emlevesque.com
9 yrs, 1 mo on Twitter
Tweets: 1/day • 34% new, 49% replies, 12% retweets, 6% quotes
2,887 70 
189. profile imageDr. Julie Rathbun🌋
@LokiVolcano


Planetary scientist studying volcanoes on Io (favorite is Loki). Pronouns: she/her.
6 yrs, 5 mos on Twitter
Tweets: 7/day • 20% new, 39% replies, 31% retweets, 9% quotes
2,860 124 
190. profile imageRobert Massey
@RobertMMassey


Dad, Deputy Executive Director @royalastrosoc, chair @lightyear_fdn. Co-author of Moon: Art, Science, Culture with @saschaloske. See bit.ly/2PpjMn0
Bristol (Southville) & London
9 yrs, 7 mos on Twitter
Tweets: 3/day • 14% new, 37% replies, 32% retweets, 16% quotes
2,860 127 
191. 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, 5 mos on Twitter
Tweets: 0.3/day • 14% new, 27% replies, 33% retweets, 26% quotes
2,831 107 
192. profile imageEd Rivera-Valentín 🇵🇷🏳️‍🌈
@PlanetTreky


Planetary Scientist w/ @USRAedu at @LPItoday. Trekker of Planets, @PR_Planeteers, #TeamRadar, & PI of @PRIDE_Lab. Tweets=Own #Boricua #LatinxInSTEM #LGBTQinSTEM
Houston, TX
planettreky.com
6 yrs, 0 mos on Twitter
Tweets: 8/day • 34% new, 27% replies, 27% retweets, 12% quotes
2,827 121 
193. profile imageDr Sadie Jones
@SotonAstrodome


Outreach Leader in #Astronomy @UniSouthampton Manager of #OurGreatestTeam & @seti_code Member of @ShowoffTalentFa & @WPNsoton #WomenInSTEM
University of Southampton
astrodome.soton.ac.uk
Google Scholar page
7 yrs, 9 mos on Twitter
Tweets: 3/day • 49% new, 9% replies, 27% retweets, 14% quotes
2,820 155 
194. profile imageRichard Easther
@REasther


Father, scientist, @AucklandUni prof, Kiwi diaspora returnee; @thinksciencenz co-founder: 'We are all in the gutter, but some of us are looking at the stars.'
excursionset.com
Google Scholar page
7 yrs, 10 mos on Twitter
Tweets: 9/day • 12% new, 63% replies, 19% retweets, 6% quotes
2,816 91 
195. profile imageDr. Jennifer L. Hoffman ✨
@astroprofhoff


Astronomer, associate professor, alto, auntie, ailurophile. She/her. University of Denver
Denver, CO
grammai.org/jhoffman/
5 yrs, 2 mos on Twitter
Tweets: 10/day • 9% new, 59% replies, 22% retweets, 10% quotes
2,804 138 
196. 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, 3 mos on Twitter
Tweets: 2/day • 40% new, 14% replies, 37% retweets, 9% quotes
2,714 132 
197. profile imageDan F-M
@exoplaneteer


I write code for good & astrophysics.
NYC
dfm.io
Google Scholar page
7 yrs, 7 mos on Twitter
Tweets: 1.0/day • 16% new, 68% replies, 11% retweets, 6% quotes
2,709 85 
198. 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
9 yrs, 11 mos on Twitter
Tweets: 2/day • 10% new, 16% replies, 63% retweets, 10% quotes
2,677 73 
199. 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, 1 mo on Twitter
Tweets: 4/day • 14% new, 65% replies, 18% retweets, 4% quotes
2,648 106 
200. 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
9 yrs, 9 mos on Twitter
Tweets: 2/day • 14% new, 58% replies, 21% retweets, 7% quotes
2,643 110 
201. profile imageJonathan Tedds
@jtedds


Research Informatics. @ELIXIREurope Compute Platform Coordinator. Hon Fellow @UniofLeicester. Lead @BRISSKit @REDinfx Editor @up_healthdata Chair @OWLS_Trust
Cambs, Leics & various UK/Europe
www2.le.ac.uk/departments/he…
Google Scholar page
9 yrs, 8 mos on Twitter
Tweets: 3/day • 22% new, 4% replies, 71% retweets, 3% quotes
2,605 164 
202. profile imageDr. Christina Richey
@PlanSciCRichey


Planetary Scientist/Astrophysicist, fighter 4 inclusion in STEM, love/hate relationship w/ workouts, wine drinker, making my mom 😊; views are my own. they/them
Los Angeles, CA
christinarichey.com
3 yrs, 6 mos on Twitter
Tweets: 6/day • 28% new, 21% replies, 45% retweets, 4% quotes
2,604 113 
203. profile imageGene Gordon
@porchdragon


Chaotic, loud, energetic, fun-loving,30+ year veteran physics teacher. NBCT. NASA Fellow. Past President of Science Teacher Assoc. of New York State (STANYS)
Honeoye Falls,NY
facebook.com/Porchdragon
10 yrs, 9 mos on Twitter
Tweets: 7/day • 43% new, 41% replies, 11% retweets, 6% quotes
2,598 258 
204. 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, 3 mos on Twitter
Tweets: 0.4/day • 31% new, 31% replies, 32% retweets, 6% quotes
2,585 105 
205. profile imageDr Liz⚡️MacDonald
@spaceyliz


aurora 🛰️ #Innovation #citsci #scicomm #interdisciplinary #sciart #physics @tweetaurora, space weather, poetry, ☕️ Views💯%mine | She/her
NASA Heliophysics, MD, mountains (preferably)
aurorasaurus.org
Google Scholar page
7 yrs, 4 mos on Twitter
Tweets: 4/day • 6% new, 26% replies, 49% retweets, 19% quotes
2,560 144 
206. 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
7 yrs, 11 mos on Twitter
Tweets: 4/day • 17% new, 0% replies, 83% retweets, 0% quotes
2,555 95 
207. profile imagejorge moreno
@astroboy_moreno


Astrophysicist at @pomonacollege, @Penn alumn 💕💞♥️
Claremont, CA
4 yrs, 7 mos on Twitter
Tweets: 2/day • 23% new, 54% replies, 7% retweets, 16% quotes
2,546 54 
208. profile imageFred Watson
@StargazerFred


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

5 yrs, 4 mos on Twitter
Tweets: 2/day • 25% new, 4% replies, 39% retweets, 32% quotes
2,539 68 
209. profile imageBenjamin Pope
@fringetracker


Astronomer - he/him
Manhattan, NY
benjaminpope.github.io
Google Scholar page
6 yrs, 2 mos on Twitter
Tweets: 11/day • 6% new, 37% replies, 46% retweets, 11% quotes
2,532 86 
210. profile imageEli Bressert
@astrobiased


Love big ideas and putting them into action by connecting the impossible.
California, USA
Google Scholar page
10 yrs, 4 mos on Twitter
Tweets: 2/day • 17% new, 14% replies, 66% retweets, 3% quotes
2,506 227 
211. 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, 0 mos on Twitter
Tweets: 5/day • 33% new, 37% replies, 15% retweets, 14% quotes
2,446 182 
212. 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
7 yrs, 8 mos on Twitter
Tweets: 1/day • 52% new, 6% replies, 42% retweets, 0% quotes
2,442 89 
213. profile imageJames Davenport
@jradavenport


Astronomer, [v/b]logger, casual data analyst, Seattleite. All opinions are my own.
Edmonds, WA
youtube.com/james-davenport
Google Scholar page
6 yrs, 10 mos on Twitter
Tweets: 8/day • 16% new, 43% replies, 35% retweets, 6% quotes
2,435 160 
214. profile imageHannah Wakeford
@StellarPlanet


Giacconi Fellow @STScI/@AURADC , @exo_cast podcaster & @BSACDIVER | Previously @NASAGoddard Fellow & @UniofExeter PhD | Expressed opinions are mine
stellarplanet.org
7 yrs, 6 mos on Twitter
Tweets: 4/day • 28% new, 36% replies, 25% retweets, 11% quotes
2,432 152 
215. profile imageDerek Fox
@partialobs


Research astronomer and faculty member at Penn State University. This is a personal Twitter account.
Earth
astro.psu.edu/~dfox/
10 yrs, 0 mos on Twitter
Tweets: 5/day • 1% new, 16% replies, 82% retweets, 1% quotes
2,383 71 
216. profile imageBrian Koberlein
@BrianKoberlein


I'm a farm boy who became an astrophysicist.
Rochester NY
briankoberlein.com
Patreon page
8 yrs, 6 mos on Twitter
Tweets: 1/day • 60% new, 24% replies, 13% retweets, 2% quotes
2,381 176 
217. 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, 1 mo on Twitter
Tweets: 1/day • 28% new, 36% replies, 29% retweets, 7% quotes
2,381 84 
218. 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…
5 yrs, 10 mos on Twitter
Tweets: 2/day • 33% new, 33% replies, 27% retweets, 7% quotes
2,357 78 
219. 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, 1 mo on Twitter
Tweets: 3/day • 17% new, 14% replies, 58% retweets, 10% quotes
2,336 98 
220. 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
9 yrs, 11 mos on Twitter
Tweets: 1/day • 28% new, 52% replies, 17% retweets, 4% quotes
2,334 124 
221. 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, 2 mos on Twitter
Tweets: 24/day • 5% new, 19% replies, 71% retweets, 6% quotes
2,328 150 
222. profile imageDr Louisa Preston
@LouisaJPreston


Astrobiologist, planetary geologist. @spacegovuk Aurora Research Fellow, @TEDFellow, Lecturer @NYUlondon & Author
London
louisa-preston.com
Google Scholar page
6 yrs, 11 mos on Twitter
Tweets: 1/day • 32% new, 20% replies, 31% retweets, 16% quotes
2,318 124 
223. 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, 1 mo on Twitter
Tweets: 1/day • 23% new, 63% replies, 8% retweets, 6% quotes
2,312 138 
224. 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, 4 mos on Twitter
Tweets: 2/day • 18% new, 23% replies, 33% retweets, 26% quotes
2,286 156 
225. profile imageTamara Davis
@tamarastro


Astro-frisbeer. Enjoying the Universe's playground.
Brisbane
smp.uq.edu.au/people/TamaraD…
10 yrs, 5 mos on Twitter
Tweets: 0.2/day • 36% new, 22% replies, 31% retweets, 11% quotes
2,277 70 
226. 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, 0 mos on Twitter
Tweets: 6/day • 12% new, 22% replies, 49% retweets, 16% quotes
2,276 164 
227. 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
4 yrs, 11 mos on Twitter
Tweets: 5/day • 7% new, 47% replies, 29% retweets, 16% quotes
2,276 106 
228. profile imageElisabeth Newton
@EllieInSpace


Astronomer, educator and assistant professor @Dartmouth College. Also a climber, baker, crafter & @astrobites co-founder.
Hanover, NH
mit.edu/~ernewton
7 yrs, 9 mos on Twitter
Tweets: 0.9/day • 22% new, 43% replies, 32% retweets, 4% quotes
2,266 116 
229. profile imageDr Roberto Trotta
@R_Trotta


Astrophysicist @imperialcollege | #scicommer | author of edge-of-the-sky.com | @CLCCDirector | statistical consultant | runner | #FBPE | Opinions my own.
London
robertotrotta.com
5 yrs, 1 mo on Twitter
Tweets: 6/day • 24% new, 51% replies, 17% retweets, 8% quotes
2,245 130 
230. profile imageCaitlin Casey
@astrocaits


Astronomer and Assistant Professor at the University of Texas at Austin.
Austin, TX
as.utexas.edu/~cmcasey
5 yrs, 1 mo on Twitter
Tweets: 0.4/day • 30% new, 44% replies, 17% retweets, 8% quotes
2,230 65 
231. profile imageJohanna
@johannateske


Astronomer, runner, educator, feminist, vegan, #Nats fan, she/her/hers
Pasadena, CA
johannateske.virb.com
Google Scholar page
5 yrs, 2 mos on Twitter
Tweets: 10/day • 25% new, 22% replies, 33% retweets, 21% quotes
2,217 114 
232. 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, 7 mos on Twitter
Tweets: 4/day • 19% new, 63% replies, 13% retweets, 6% quotes
2,216 104 
233. 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, 5 mos on Twitter
Tweets: 7/day • 7% new, 73% replies, 15% retweets, 5% quotes
2,206 47 
234. 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, 7 mos on Twitter
Tweets: 4/day • 26% new, 45% replies, 21% retweets, 8% quotes
2,198 131 
235. 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
9 yrs, 10 mos on Twitter
Tweets: 2/day • 23% new, 53% replies, 14% retweets, 10% quotes
2,184 105 
236. 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, 1 mo on Twitter
Tweets: 2/day • 10% new, 1% replies, 63% retweets, 25% quotes
2,181 64 
237. 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
9 yrs, 8 mos on Twitter
Tweets: 1/day • 29% new, 53% replies, 10% retweets, 8% quotes
2,148 79 
238. profile imageAdrian Price-Whelan
@adrianprw


astrophysics postdoc @ Princeton, galaxy dynamics, binary stars, music github.com/adrn
???
adrian.pw
Google Scholar page
7 yrs, 9 mos on Twitter
Tweets: 2/day • 18% new, 53% replies, 25% retweets, 4% quotes
2,136 69 
239. 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…
3 yrs, 8 mos on Twitter
Tweets: 7/day • 2% new, 21% replies, 77% retweets, 1% quotes
2,121 67 
240. 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
5 yrs, 1 mo on Twitter
Tweets: 7/day • 13% new, 77% replies, 8% retweets, 2% quotes
2,097 82 
241. 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
8 yrs, 10 mos on Twitter
Tweets: 3/day • 10% new, 10% replies, 59% retweets, 21% quotes
2,084 122 
242. 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
8 yrs, 11 mos on Twitter
Tweets: 4/day • 10% new, 46% replies, 40% retweets, 4% quotes
2,083 112 
243. 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, 2 mos on Twitter
Tweets: 2/day • 19% new, 33% replies, 42% retweets, 6% quotes
2,057 81 
244. 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, 3 mos on Twitter
Tweets: 1/day • 7% new, 65% replies, 22% retweets, 6% quotes
2,054 27 
245. 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
10 yrs, 9 mos on Twitter
Tweets: 4/day • 34% new, 30% replies, 29% retweets, 7% quotes
2,054 89 
246. profile imagePhil Diamond
@SKA_DG


SKA Director General; husband, father, dedicated Manchester United fan
SKA HQ. Jodrell Bank
9 yrs, 8 mos on Twitter
Tweets: 0.6/day • 11% new, 29% replies, 29% retweets, 30% quotes
2,051 112 
247. 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
7 yrs, 11 mos on Twitter
Tweets: 6/day • 6% new, 61% replies, 27% retweets, 6% quotes
2,037 109 
248. 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, 0 mos on Twitter
Tweets: 2/day • 23% new, 27% replies, 27% retweets, 23% quotes
2,021 113 
249. profile imageDra. Nicole
@jazztronomy


STEM Inclusion Consultant | Astronomy PhD and STEM equity advocate | She/Her/Hers | #LatinaInSTEM | I have the best ideas.
Catlanta
4 yrs, 5 mos on Twitter
Tweets: 3/day • 4% new, 21% replies, 62% retweets, 12% quotes
1,997 98 
250. 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
10 yrs, 8 mos on Twitter
Tweets: 2/day • 34% new, 39% replies, 23% retweets, 4% quotes
1,972 165 
251. profile imageBenneHolwerda
@BenneHolwerda


Astronomer at large (mostly harmless). University of Louisville. Opinions & typos obv my own.
Louisville, KY
Google Scholar page
10 yrs, 8 mos on Twitter
Tweets: 5/day • 8% new, 57% replies, 15% retweets, 20% quotes
1,968 79 
252. 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, 1 mo on Twitter
Tweets: 1/day • 26% new, 13% replies, 59% retweets, 2% quotes
1,946 132 
253. 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, 1 mo on Twitter
Tweets: 1/day • 7% new, 19% replies, 59% retweets, 15% quotes
1,943 43 
254. profile imageGabe Perez-Giz
@fizziksgabe


5 yrs, 11 mos on Twitter
Tweets: 0.2/day • 5% new, 67% replies, 6% retweets, 22% quotes
1,938 34 
255. profile imageJoyful ✨ Spark
@InvaderXan


Les temps sont durs pour les rêveurs 💭
Earth
supernovacondensate.net
9 yrs, 11 mos on Twitter
Tweets: 12/day • 3% new, 57% replies, 37% retweets, 4% quotes
1,913 197 
256. 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, 7 mos on Twitter
Tweets: 0.6/day • 37% new, 29% replies, 32% retweets, 2% quotes
1,910 57 
257. profile imageAshley Pagnotta 🌟
@ashpags


Astronomer, Knitter, Fangirl, Tex-Pat. Currently at @CofC. Previously at @AMNH, @LSU, and @TAMU. This is my personal Twitter. 📸=ashpags 👻 = ashleypagnotta
Charleston, SC
about.me/ashley.pagnotta
10 yrs, 8 mos on Twitter
Tweets: 22/day • 3% new, 97% replies, 0% retweets, 0% quotes
1,899 95 
258. profile imageJoss Bland-Hawthorn
@JossBlandHawtho


All things novel, astrophysical, mathematical, technological.
Sydney, Australia
physics.usyd.edu.au/~jbh/
Google Scholar page
4 yrs, 9 mos on Twitter
Tweets: 6/day • 28% new, 21% replies, 36% retweets, 14% quotes
1,897 66 
259. profile imageCaroline Morley
@AstroCaroline


Assistant Prof at UT Austin, modeler of substellar atmospheres
Austin, TX
carolinemorley.com
6 yrs, 5 mos on Twitter
Tweets: 0.3/day • 24% new, 58% replies, 11% retweets, 6% quotes
1,882 68 
260. profile imageEmma Osborne 💫
@Emmanigma


Astrophysicist and multi-award winning science communicator. Creator of The Extraordinary Universe youtube.com/c/TheExtraordi…
Southampton, England
emmalouiseosborne.com
6 yrs, 0 mos on Twitter
Tweets: 0.6/day • 6% new, 15% replies, 76% retweets, 3% quotes
1,882 51 
261. profile imageRay Jayawardhana
@DrRayJay


Astronomer, Explorer, Writer, Speaker. Author of 'Strange New Worlds' and 'Neutrino Hunters'
rayjay.net
8 yrs, 0 mos on Twitter
Tweets: 0.8/day • 26% new, 3% replies, 66% retweets, 6% quotes
1,859 106 
262. 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
6 yrs, 9 mos on Twitter
Tweets: 5/day • 8% new, 21% replies, 54% retweets, 17% quotes
1,857 142 
263. profile imageDr. Sabine Stanley
@PlanetSabine


Planetary scientist, Professor at Johns Hopkins University, Avocado Consultant, Loves food, music and sci-fi, Sucker for slapstick, she/her
Baltimore, MD
sabinestanley.com
Google Scholar page
3 yrs, 9 mos on Twitter
Tweets: 4/day • 24% new, 32% replies, 40% retweets, 4% quotes
1,848 53 
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, 2 mos on Twitter
Tweets: 14/day • 28% new, 9% replies, 61% retweets, 0% quotes
1,845 121 
265. profile imageCassio Barbosa
@cassioleandro


Astrofísico interessado no nascimento de estrelas, professor do Centro Universitário FEI, divulgador de astronomia e colunista no portal G1.
São Paulo, Brasil
colunas.g1.com.br/observatoriog1
Google Scholar page
9 yrs, 8 mos on Twitter
Tweets: 1/day • 25% new, 51% replies, 6% retweets, 18% quotes
1,828 30 
266. 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
11 yrs, 10 mos on Twitter
Tweets: 0.8/day • 40% new, 18% replies, 33% retweets, 8% quotes
1,819 163 
267. profile imageRachana 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
nottingham.ac.uk/~ppxrb2/
9 yrs, 4 mos on Twitter
Tweets: 2/day • 25% new, 39% replies, 30% retweets, 6% quotes
1,814 127 
268. profile imageMichael Brown
@MJIBrown


Astronomer, Monash University academic, Conversation contributor, no fan of pseudo-science.
Melbourne, Australia
theconversation.com/profiles/micha…
Google Scholar page
5 yrs, 8 mos on Twitter
Tweets: 18/day • 12% new, 26% replies, 49% retweets, 13% quotes
1,814 113 
269. 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
9 yrs, 10 mos on Twitter
Tweets: 3/day • 32% new, 37% replies, 25% retweets, 5% quotes
1,795 64 
270. 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, 1 mo on Twitter
Tweets: 0.7/day • 34% new, 35% replies, 15% retweets, 16% quotes
1,769 84 
271. profile imageDr. Abbie 🌠
@abigailStev


Lady Scientist 👩🏻‍💻 NSF fellow @msu_astro & @michiganastro 🔭 compact objects 💥#OpenSource pythoner 🐍 tea 💕🍵 mastodon:alstev 🐘 she/her ♀ tweets ≠ NSF,
Anishinaabeg/Odawa land
abigailstevens.com
8 yrs, 1 mo on Twitter
Tweets: 6/day • 16% new, 34% replies, 41% retweets, 8% quotes
1,765 75 
272. profile imageJaime Zamorano
@cefalopodo


Physicist (Astrophysics) at UCM @unicomplutense Another amateur photographer. guaix.fis.ucm.es/splpr/SQM-REECL @stars4all_eu #LightPollution
Madrid (Spain)
stars4all.eu
Google Scholar page
11 yrs, 11 mos on Twitter
Tweets: 4/day • 6% new, 8% replies, 86% retweets, 0% quotes
1,740 98 
273. profile imageMoiya McTier
@GoAstroMo


Science Communicator | Astronomer | Folklorist | Ask me how space can influence culture | she/her/hers
New York, NY
moiyamctier.com
4 yrs, 8 mos on Twitter
Tweets: 0.6/day • 23% new, 53% replies, 17% retweets, 6% quotes
1,738 42 
274. profile imageDr. Sara Walker
@Sara_Imari


theoretical physicist, astrobiologist
Arizona, USA
emergence.asu.edu
Google Scholar page
8 yrs, 2 mos on Twitter
Tweets: 0.5/day • 12% new, 21% replies, 53% retweets, 14% quotes
1,717 86 
275. 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, 2 mos on Twitter
Tweets: 4/day • 27% new, 27% replies, 35% retweets, 11% quotes
1,711 80 
276. profile imageAndrew Jaffe
@defjaf


Astrophysics, cosmology, Bayesian inference, and more
London
andrewjaffe.net/blog
12 yrs, 0 mos on Twitter
Tweets: 0.8/day • 55% new, 18% replies, 25% retweets, 2% quotes
1,704 119 
277. 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, 0 mos on Twitter
Tweets: 1/day • 100% new, 0% replies, 1% retweets, 0% quotes
1,702 71 
278. 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, 7 mos on Twitter
Tweets: 3/day • 18% new, 58% replies, 13% retweets, 10% quotes
1,691 97 
279. 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, 5 mos on Twitter
Tweets: 2/day • 14% new, 63% replies, 5% retweets, 18% quotes
1,679 57 
280. profile imageRuth Angus
@ruthangus


Assistant Curator of Astrophysics at the American Museum of Natural History @AMNH, Assoc Research Scientist @FlatironCCA & Adj Prof at Columbia University.
New York, NY
ruthangus.github.io
7 yrs, 10 mos on Twitter
Tweets: 0.3/day • 43% new, 48% replies, 8% retweets, 1% quotes
1,671 66 
281. 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, 0 mos on Twitter
Tweets: 6/day • 24% new, 66% replies, 6% retweets, 4% quotes
1,660 119 
282. profile imageKevin Peter Hand
@Alienoceans


Highland Park, Los Angeles
6 yrs, 3 mos on Twitter
Tweets: 0.1/day • 33% new, 27% replies, 25% retweets, 16% quotes
1,639 59 
283. 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, 0 mos on Twitter
Tweets: 1/day • 4% new, 13% replies, 73% retweets, 10% quotes
1,629 46 
284. 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
9 yrs, 9 mos on Twitter
Tweets: 1.0/day • 44% new, 43% replies, 12% retweets, 0% quotes
1,628 51 
285. 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, 5 mos on Twitter
Tweets: 1/day • 16% new, 53% replies, 13% retweets, 18% quotes
1,621 54 
286. 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
6 yrs, 11 mos on Twitter
Tweets: 0.8/day • 17% new, 41% replies, 35% retweets, 8% quotes
1,615 55 
287. 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, 1 mo on Twitter
Tweets: 4/day • 25% new, 58% replies, 11% retweets, 6% quotes
1,576 65 
288. 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, 0 mos on Twitter
Tweets: 7/day • 10% new, 47% replies, 25% retweets, 18% quotes
1,573 61 
289. 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, 3 mos on Twitter
Tweets: 0.1/day • 38% new, 31% replies, 28% retweets, 3% quotes
1,570 46 
290. profile imageTyler Nordgren
@NightSkyPark


Astronomer, Artist, Night Sky Ambassador to America's National Parks
Ithaca, NY
SpaceArtTravelBureau.com
6 yrs, 0 mos on Twitter
Tweets: 0.7/day • 18% new, 56% replies, 21% retweets, 6% quotes
1,556 69 
291. 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, 2 mos on Twitter
Tweets: 5/day • 17% new, 79% replies, 3% retweets, 1% quotes
1,554 67 
292. profile imageWill Kinney
@WKCosmo


Cosmologist, dirtbag mountain biker, expat Montanan. Visiting Professor, Stockholm Univ. / Professor, University at Buffalo, SUNY. Personal Twitter account.
Stockholm, Sweden
acsu.buffalo.edu/~whkinney/inde…
Google Scholar page
2 yrs, 2 mos on Twitter
Tweets: 12/day • 7% new, 79% replies, 7% retweets, 7% quotes
1,551 39 
293. profile imageHeino Falcke
@hfalcke


Prof. of Astroparticle Physics & Radio Astronomy, black hole shadow, event horizon telescope, LOFAR, Moon, NCLE, Cologne, Netherlands, Europe, Christian
Radboud University, Nijmegen
astro.ru.nl/~falcke
Google Scholar page
6 yrs, 10 mos on Twitter
Tweets: 1/day • 20% new, 39% replies, 35% retweets, 6% quotes
1,549 61 
294. profile imageSteinn Sigurdsson
@steinly0


Icelandic Astrophysicist. arXiv Scientific Director. Planets, Black Holes & Stuff. Whole Universes, If Needed. Dynamics of Cats; To Say Nothing of The Dog.
scienceblogs.com/catdynamics
8 yrs, 5 mos on Twitter
Tweets: 3/day • 8% new, 23% replies, 50% retweets, 20% quotes
1,547 85 
295. profile imageFiona H. Panther
@FiPanther


Gamma rays, particles, space. Runs on coffee (& GPUs). Associate Lecturer & astrophysicist at UNSW Canberra, one of the #LiNo19 #LindauAussies
Canberra, Z=0
auntiematter.space
Google Scholar page
9 yrs, 6 mos on Twitter
Tweets: 3/day • 27% new, 46% replies, 17% retweets, 11% quotes
1,543 69 
296. 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, 4 mos on Twitter
Tweets: 12/day • 19% new, 36% replies, 41% retweets, 4% quotes
1,543 107 
297. 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
3 yrs, 8 mos on Twitter
Tweets: 1/day • 27% new, 21% replies, 47% retweets, 5% quotes
1,538 68 
298. profile imageTim McKay
@TimMcKayUM


Data scientist, educator, learner, reader, writer, physicist, astronomer. Working on Equity & Inclusion in Foundational Courses @umich & beyond.
Ann Arbor, MI
Google Scholar page
6 yrs, 10 mos on Twitter
Tweets: 2/day • 19% new, 22% replies, 33% retweets, 27% quotes
1,524 66 
299. 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
9 yrs, 11 mos on Twitter
Tweets: 0.8/day • 49% new, 33% replies, 15% retweets, 4% quotes
1,523 71 
300. profile imageLaura Lopez
@ohdearz


Astronomy professor at Ohio State
6 yrs, 4 mos on Twitter
Tweets: 0.2/day • 18% new, 69% replies, 6% retweets, 8% quotes
1,521 35 
301. profile imageKev Abazajian
@kevaba


Cosmologist & Professor at #UCIrvine. Opinions are my own.
Irvine, CA
physics.uci.edu/~kevork
Google Scholar page
7 yrs, 9 mos on Twitter
Tweets: 4/day • 22% new, 3% replies, 74% retweets, 0% quotes
1,519 67 
302. 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, 0 mos on Twitter
Tweets: 3/day • 18% new, 9% replies, 53% retweets, 20% quotes
1,514 86 
303. 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, 7 mos on Twitter
Tweets: 3/day • 26% new, 31% replies, 29% retweets, 14% quotes
1,479 90 
304. 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
8 yrs, 8 mos on Twitter
Tweets: 1/day • 28% new, 19% replies, 40% retweets, 14% quotes
1,452 50 
305. 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, 1 mo on Twitter
Tweets: 0.5/day • 4% new, 31% replies, 53% retweets, 12% quotes
1,451 38 
306. profile imageFeryal Ozel
@feryal_ozel


Astrophysicist, Conscientious Citizen, World Traveler
Google Scholar page
2 yrs, 1 mo on Twitter
Tweets: 0.1/day • 63% new, 8% replies, 16% retweets, 12% quotes
1,449 15 
307. 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, 6 mos on Twitter
Tweets: 0.5/day • 11% new, 58% replies, 17% retweets, 14% quotes
1,427 72 
308. 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, 0 mos on Twitter
Tweets: 6/day • 12% new, 43% replies, 37% retweets, 8% quotes
1,425 56 
309. profile imageDr Pauline Barmby
@PBarmby


Associate professor & galaxy-observing astrophysicist @westernuphysast, co-chair @LRP2020. Yarn & SF aficionada, runner. She/her.
London, Ontario, Canada
pbarmby.github.io
Google Scholar page
7 yrs, 4 mos on Twitter
Tweets: 4/day • 12% new, 69% replies, 17% retweets, 2% quotes
1,422 105 
310. profile imageJesse Rogerson
@jesserogerson


I'm an astronomer, science communicator, and enthusiast of awesome things. Science Advisor at @avSpaceMuseum/@MuseeAvEspace
Ottawa, Canada
jesserogerson.com
8 yrs, 10 mos on Twitter
Tweets: 4/day • 22% new, 57% replies, 19% retweets, 2% quotes
1,422 68 
311. 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, 2 mos on Twitter
Tweets: 3/day • 3% new, 23% replies, 61% retweets, 13% quotes
1,417 78 
312. 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, 3 mos on Twitter
Tweets: 5/day • 40% new, 27% replies, 9% retweets, 24% quotes
1,415 106 
313. 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, 3 mos on Twitter
Tweets: 2/day • 17% new, 33% replies, 33% retweets, 18% quotes
1,409 52 
314. 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, 2 mos on Twitter
Tweets: 15/day • 10% new, 25% replies, 47% retweets, 19% quotes
1,395 70 
315. profile imageProf Sarah Bridle
@sarahbridle


Astrophysicist at the University of Manchester working on cosmology and food
Manchester
sarahbridle.net
8 yrs, 11 mos on Twitter
Tweets: 0.3/day • 25% new, 4% replies, 55% retweets, 17% quotes
1,393 67 
316. profile imageLiberal Intellectual #FBPE #OFAB
@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
9 yrs, 9 mos on Twitter
Tweets: 18/day • 8% new, 15% replies, 76% retweets, 2% quotes
1,382 144 
317. profile imageJamie Farnes
@Astro_Jamie


Astrophysicist & radio astronomer at @UniofOxford @OxfordeResearch. Via 🇦🇺🇳🇱. Helping to build the Science Data Processor for @SKA_telescope. Views my own.
London
jamiefarnes.co.uk
Google Scholar page
5 yrs, 6 mos on Twitter
Tweets: 0.6/day • 10% new, 65% replies, 19% retweets, 6% quotes
1,377 28 
318. profile imageDr. Mira Mechtley @GDC
@biphenyl


Dot Product Enthusiast • Unity/C# Game Dev • PhD Astrophysics • ⚧She/Her • Formerly: Quasar Astronomy/Data Science, Blurst, PowerGlove innovator DMs open
A mote of dust in a sunbeam
biphenyl.org
11 yrs, 2 mos on Twitter
Tweets: 4/day • 24% new, 27% replies, 40% retweets, 8% quotes
1,377 108 
319. 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, 2 mos on Twitter
Tweets: 2/day • 26% new, 65% replies, 8% retweets, 0% quotes
1,375 32 
320. 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, 8 mos on Twitter
Tweets: 0.5/day • 30% new, 23% replies, 39% retweets, 8% quotes
1,358 38 
321. 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
9 yrs, 11 mos on Twitter
Tweets: 0.2/day • 47% new, 33% replies, 17% retweets, 4% quotes
1,357 116 
322. profile imageAndrew Rushby
@andrewrushby


Postdoc at @UCIPhysAstro studying climates of small worlds in the galaxy. Formerly NPP at @NASAAmes. PhD @ueaenv. Co-host of @exo_cast.
Irvine, CA
bit.ly/andrewrushby
Google Scholar page
8 yrs, 11 mos on Twitter
Tweets: 1/day • 6% new, 67% replies, 15% retweets, 12% quotes
1,333 76 
323. 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
9 yrs, 11 mos on Twitter
Tweets: 23/day • 10% new, 74% replies, 14% retweets, 2% quotes
1,333 64 
324. 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
9 yrs, 11 mos on Twitter
Tweets: 0.7/day • 34% new, 38% replies, 18% retweets, 10% quotes
1,330 74 
325. 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, 2 mos on Twitter
Tweets: 1/day • 36% new, 23% replies, 30% retweets, 12% quotes
1,329 62 
326. 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/product/calend…
Google Scholar page
9 yrs, 5 mos on Twitter
Tweets: 0.9/day • 10% new, 66% replies, 23% retweets, 1% quotes
1,318 43 
327. 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
Essex Junction, Vermont
Google Scholar page
9 yrs, 6 mos on Twitter
Tweets: 3/day • 11% new, 66% replies, 18% retweets, 5% quotes
1,314 66 
328. profile imageKevin Grazier
@kevingrazier


Scientist at NASA/MSFC. Science advisor on Another Life, Gravity, BSG, EUReKA. Co-author of Hollyweird Science books. Packer Backer. Rodentophile.
Earth
linkedin.com/profile/view?i…
5 yrs, 8 mos on Twitter
Tweets: 2/day • 15% new, 54% replies, 31% retweets, 0% quotes
1,309 77 
329. 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, 2 mos on Twitter
Tweets: 2/day • 9% new, 20% replies, 62% retweets, 10% quotes
1,306 76 
330. 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
2 yrs, 8 mos on Twitter
Tweets: 0.5/day • 32% new, 25% replies, 33% retweets, 12% quotes
1,291 33 
331. 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, 1 mo on Twitter
Tweets: 4/day • 4% new, 63% replies, 23% retweets, 10% quotes
1,288 48 
332. 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, 7 mos on Twitter
Tweets: 4/day • 4% new, 69% replies, 7% retweets, 20% quotes
1,287 36 
333. profile imageDouglas P Finkbeiner
@DPFink


Astronomer and Physicist
Harvard University
nebel.rc.fas.harvard.edu/dfink/
6 yrs, 7 mos on Twitter
Tweets: 0.1/day • 58% new, 29% replies, 12% retweets, 1% quotes
1,284 52 
334. 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, 2 mos on Twitter
Tweets: 1/day • 12% new, 22% replies, 65% retweets, 2% quotes
1,283 31 
335. profile imageGustavo Rojas
@gurojas


Astronomer @nuclio_pt @ufscaroficial / Colunista @revistagalileu & @Estadao / Comissão Organizadora OBA / Comissão Imprensa SAB
Lisbon, Portugal
ciencia.estadao.com.br/blogs/telescop…
Google Scholar page
9 yrs, 11 mos on Twitter
Tweets: 0.2/day • 37% new, 33% replies, 2% retweets, 28% quotes
1,282 30 
336. profile imageDr. Caryl Gronwall
@carylgronwall


Astronomer at Penn State University
State College, PA
astro.psu.edu/~caryl
Google Scholar page
8 yrs, 0 mos on Twitter
Tweets: 0.8/day • 22% new, 51% replies, 11% retweets, 17% quotes
1,279 45 
337. 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, 7 mos on Twitter
Tweets: 0.4/day • 4% new, 15% replies, 79% retweets, 3% quotes
1,270 20 
338. profile imageJana Grcevich
@janagrc


Co-author of Vacation Guide to the Solar System, data scientist, PhD in astronomy, curious person.
NYC
amazon.com/gp/aw/d/014312…
Google Scholar page
10 yrs, 11 mos on Twitter
Tweets: 0.5/day • 13% new, 44% replies, 29% retweets, 14% quotes
1,266 37 
339. 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, 0 mos on Twitter
Tweets: 0.6/day • 70% new, 19% replies, 4% retweets, 6% quotes
1,262 56 
340. profile imageSudeep Das
@datamusing


Astrophysicist. Machine Learning Expert. Artist. Storyteller. AI @ Netflix
San Francisco
sudeep-das.com
Google Scholar page
5 yrs, 9 mos on Twitter
Tweets: 0.8/day • 43% new, 11% replies, 46% retweets, 1% quotes
1,244 104 
341. 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, 0 mos on Twitter
Tweets: 1/day • 56% new, 31% replies, 9% retweets, 6% quotes
1,244 38 
342. profile imageSadie
@astrosadie


World Wandering Astrowarrior 🌟👩‍🔧Feminist 🏳️‍🌈Welsh 🏴󠁧󠁢󠁷󠁬󠁳󠁿Adventurer⭐️Roller Derby🏋🏼‍♀️Comedy🧝🏻‍♀️SciComm #WomenInSTEM [she/her]
United Kingdom
sadiejones.wordpress.com
Google Scholar page
10 yrs, 1 mo on Twitter
Tweets: 8/day • 61% new, 23% replies, 13% retweets, 4% quotes
1,243 100 
343. profile imageJoel Parker
@joelwmparker


astronomer, scientist on space missions (New Horizons, Rosetta), actor, drummer, bike commuter, host/producer for How on Earth show, hubby & dad.
Boulder, Colorado, USA
boulder.swri.edu/~joel
9 yrs, 0 mos on Twitter
Tweets: 0.4/day • 30% new, 31% replies, 18% retweets, 22% quotes
1,234 92 
344. 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, 4 mos on Twitter
Tweets: 0.4/day • 46% new, 17% replies, 33% retweets, 4% quotes
1,222 38 
345. 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
6 yrs, 11 mos on Twitter
Tweets: 2/day • 53% new, 22% replies, 17% retweets, 8% quotes
1,213 68 
346. 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
Silver Spring, MD
Google Scholar page
6 yrs, 8 mos on Twitter
Tweets: 3/day • 42% new, 38% replies, 11% retweets, 8% quotes
1,210 66 
347. profile imageBen Montet
@benmontet


Sagan Fellow at the University of Chicago, Cubs fan. Mostly tweeting about astronomy and baseball.
Chicago, IL
Google Scholar page
7 yrs, 11 mos on Twitter
Tweets: 0.6/day • 22% new, 67% replies, 9% retweets, 2% quotes
1,190 34 
348. profile imagePedro G Ferreira
@PedroTGFerreira


Cosmologist at the University of Oxford. Author of The Perfect Theory.
Oxford
pedroferreira.co.uk
5 yrs, 7 mos on Twitter
Tweets: 0.2/day • 24% new, 7% replies, 69% retweets, 0% quotes
1,188 50 
349. 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, 1 mo on Twitter
Tweets: 5/day • 6% new, 27% replies, 60% retweets, 7% quotes
1,188 42 
350. 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, 6 mos on Twitter
Tweets: 0.6/day • 16% new, 17% replies, 64% retweets, 4% quotes
1,178 47 
351. profile imageGautham Narayan
@gsnarayan


Lasker Fellow at @stsci working on dark energy, supernovae, white dwarfs, machine learning, astro edu & outreach, photography, hiking. Semi-responsible nerd!
Baltimore, MD
gnarayan.github.io
9 yrs, 4 mos on Twitter
Tweets: 2/day • 24% new, 35% replies, 33% retweets, 8% quotes
1,171 62 
352. profile imageMike Boylan-Kolchin
@MBKplus


Astro/physicist. Assistant Professor at The University of Texas at Austin.
as.utexas.edu/~mbk/
Google Scholar page
5 yrs, 8 mos on Twitter
Tweets: 0.8/day • 36% new, 44% replies, 11% retweets, 10% quotes
1,167 26 
353. 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, 1 mo on Twitter
Tweets: 1/day • 10% new, 33% replies, 53% retweets, 4% quotes
1,165 96 
354. 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
7 yrs, 10 mos on Twitter
Tweets: 0.2/day • 68% new, 13% replies, 17% retweets, 1% quotes
1,164 30 
355. 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, 5 mos on Twitter
Tweets: 3/day • 14% new, 62% replies, 13% retweets, 12% quotes
1,162 
356. profile imageTod R. Lauer
@TodLauer


Extragalactic Astronomy and Spacebased Imaging
Tucson, AZ
noao.edu/noao/staff/lau…
4 yrs, 4 mos on Twitter
Tweets: 2/day • 10% new, 77% replies, 8% retweets, 6% quotes
1,161 44 
357. 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, 1 mo on Twitter
Tweets: 3/day • 18% new, 61% replies, 13% retweets, 8% quotes
1,156 70 
358. 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, 0 mos on Twitter
Tweets: 3/day • 50% new, 29% replies, 17% retweets, 5% quotes
1,156 36 
359. 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, 1 mo on Twitter
Tweets: 2/day • 12% new, 61% replies, 15% retweets, 13% quotes
1,155 22 
360. 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, 2 mos on Twitter
Tweets: 0.7/day • 14% new, 15% replies, 63% retweets, 8% quotes
1,138 48 
361. profile imageNathalie A. Cabrol
@shasta721


Planetary Scientist and Explorer
Mountain View
pll.seti.org
Google Scholar page
7 yrs, 5 mos on Twitter
Tweets: 8/day • 100% new, 0% replies, 0% retweets, 0% quotes
1,130 73 
362. profile imageSamaya Nissanke
@samayanissanke


Astrophysicist, gravitational waves, black holes and neutron star obsessor, working mum, assistant prof @GRAPPAInstitute, UofAmsterdam.
Amsterdam, the Netherlands
5 yrs, 5 mos on Twitter
Tweets: 1/day • 9% new, 11% replies, 67% retweets, 13% quotes
1,129 39 
363. profile imageBorlaff
@asborlaff


PhD in Astrophysics @IAC_astrofisica. Galaxies, radio communications, statistics and rocket science.
Canary Islands
borlaff.github.io
Google Scholar page
4 yrs, 4 mos on Twitter
Tweets: 1/day • 4% new, 24% replies, 65% retweets, 6% quotes
1,126 22 
364. profile imageNicolas Martin
@nfmartin1980


Astronomer, CNRS researcher at Strasbourg Observatory and Max Planck Institute for Astronomy (Heidelberg), Local Group dweller
Strasbourg, France
6 yrs, 3 mos on Twitter
Tweets: 3/day • 8% new, 36% replies, 53% retweets, 2% quotes
1,124 55 
365. profile imageJames Guillochon
@astrocrash


Fledgling robotocist, ITC fellow at Harvard. I kill stars for science! Maintainer of astrocats (astrocats.space), follow @AstroCatalogs for news!
Cambridge, MA
astrocrash.net
Google Scholar page
10 yrs, 0 mos on Twitter
Tweets: 2/day • 14% new, 73% replies, 10% retweets, 3% quotes
1,111 38 
366. 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
9 yrs, 10 mos on Twitter
Tweets: 0.8/day • 68% new, 9% replies, 23% retweets, 0% quotes
1,108 166 
367. profile imageLuigi Foschini
@astrophyrunner


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, 2 mos on Twitter
Tweets: 0.2/day • 23% new, 76% replies, 1% retweets, 1% quotes
1,108 24 
368. 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, 4 mos on Twitter
Tweets: 0.8/day • 8% new, 32% replies, 58% retweets, 2% quotes
1,103 27 
369. 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, 4 mos on Twitter
Tweets: 4/day • 8% new, 7% replies, 72% retweets, 14% quotes
1,095 31 
370. 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, 4 mos on Twitter
Tweets: 2/day • 56% new, 36% replies, 5% retweets, 4% quotes
1,094 35 
371. profile imageLawrence Bilton✨🔭
@Lawrious


28. [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
9 yrs, 11 mos on Twitter
Tweets: 7/day • 16% new, 45% replies, 31% retweets, 8% quotes
1,093 51 
372. 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-…
4 yrs, 11 mos on Twitter
Tweets: 0.5/day • 40% new, 9% replies, 45% retweets, 5% quotes
1,092 49 
373. profile imageDr Heidi B. Hammel
@hbhammel


1 yr, 8 mos on Twitter
Tweets: 4/day • 18% new, 21% replies, 48% retweets, 12% quotes
1,086 33 
374. 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, 4 mos on Twitter
Tweets: 6/day • 3% new, 27% replies, 63% retweets, 7% quotes
1,078 63 
375. 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
9 yrs, 10 mos on Twitter
Tweets: 0.6/day • 16% new, 51% replies, 19% retweets, 14% quotes
1,071 44 
376. profile imageDavid Sing
@ExoSing


Exoplanet scientist
Baltimore, MD
pages.jh.edu/~dsing3/
Google Scholar page
5 yrs, 6 mos on Twitter
Tweets: 0.1/day • 39% new, 35% replies, 25% retweets, 1% quotes
1,066 27 
377. profile imageBrett Morris
@brettmor


@UW astro PhD candidate with interests in exoplanets & stellar activity, @AoTSeattle co-organizer, creator of @transitingnow, @planettvguide, @farawayplanets
Seattle, WA
brettmorr.is
Google Scholar page
10 yrs, 0 mos on Twitter
Tweets: 2/day • 16% new, 46% replies, 29% retweets, 10% quotes
1,060 53 
378. 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, 3 mos on Twitter
Tweets: 0.4/day • 17% new, 13% replies, 26% retweets, 44% quotes
1,048 46 
379. 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, 7 mos on Twitter
Tweets: 5/day • 2% new, 17% replies, 82% retweets, 0% quotes
1,037 68 
380. 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
9 yrs, 8 mos on Twitter
Tweets: 4/day • 26% new, 29% replies, 35% retweets, 10% quotes
1,024 66 
381. 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, 6 mos on Twitter
Tweets: 1/day • 13% new, 41% replies, 33% retweets, 13% quotes
1,023 31 
382. 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, 0 mos on Twitter
Tweets: 4/day • 5% new, 67% replies, 21% retweets, 8% quotes
1,022 108 
383. 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, 1 mo on Twitter
Tweets: 6/day • 14% new, 15% replies, 57% retweets, 15% quotes
1,006 98 

Last tweeted over a year ago

384. 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
32,034 898 
385. 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
6,276 421 
386. 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 • 55% new, 25% replies, 20% retweets, 0% quotes
2,234 105 
387. 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
2,027 118 
388. 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
1,411 34 
389. 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
1,034 64