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TrueSciPhi

Astronomers on Twitter

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

Updated: 2018-Jul-18 11:00 UTC. Listed users: 345. Inclusion criteria. List women only. 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
Accessory to War
StarTalk Young Readers Edition (S...
Welcome to the Universe
New York City
haydenplanetarium.org/tyson/
9 yrs, 5 mos on Twitter
Tweets: 2/day • 62% new, 35% replies, 0% retweets, 2% quotes
12,723,629 46,695 
2. profile imagePhil Plait
@BadAstronomer


SCIENCE! I love this stuff. My Bad Astronomy blog: syfy.com/badastronomy I use 'likes' for bookmarks. No endorsement implied.
Bad Astronomy
Boulder
about.me/philplait
11 yrs, 3 mos on Twitter
Tweets: 19/day • 26% new, 59% replies, 3% retweets, 12% quotes
612,807 12,929 
3. profile imageUmut Yildiz
@umutayildiz


#DeepSpaceTelecom • Dr. #Astrophysics at @NASAJPL • https://t.co/jDmQGRqPGC • https://t.co/tbdA7gQR77 • My opinions • In Science We Trust • #SciComm @caltech
Los Angeles, CA
yildiz.space/blog/
Google Scholar page
7 yrs, 10 mos on Twitter
Tweets: 2/day • 10% new, 39% replies, 45% retweets, 6% quotes
440,491 258 
4. profile imageKatie Mack
@AstroKatie


(a.k.a. Dr Katherine J Mack) astrophysicist/cosmologist, occasional freelance science writer, connoisseur of airplane food
Raleigh, NC
astrokatie.com
Google Scholar page
9 yrs, 2 mos on Twitter
Tweets: 28/day • 8% new, 77% replies, 7% retweets, 8% quotes
277,796 3,300 
5. profile imageKirk Borne
@KirkDBorne


The Principal Data Scientist at @BoozAllen, PhD Astrophysicist. Top Data Science and Big Data Influencer. Ex-Professor rocketdatascience.org 📊📈🔭
Booz Allen Hamilton
linkedin.com/in/kirkdborne
Google Scholar page
6 yrs, 3 mos on Twitter
Tweets: 38/day • 60% new, 7% replies, 25% retweets, 8% quotes
201,803 7,212 
6. profile imageEmily Lakdawalla
@elakdawalla


Senior Editor & Planetary Evangelist, The Planetary Society. Planetary scientist, public speaker. Wrote a book on Curiosity rover. Asteroid 274860.
The Design and Engineering of Cur...
Pasadena, CA
planetary.org/emily
10 yrs, 2 mos on Twitter
Tweets: 16/day • 9% new, 45% replies, 28% retweets, 18% quotes
147,204 4,638 
7. profile imageDr. Phil Metzger
@DrPhiltill


Planetary scientist. Co-founded NASA KSC SwampWorks. Now at UCF Florida Space Institute but still on SwampWorks team. SpaceMining. Space settlement. Science.
Kennedy Space Center & Orlando
philipmetzger.com/blog/
5 yrs, 7 mos on Twitter
Tweets: 17/day • 9% new, 83% replies, 1% retweets, 6% quotes
74,920 1,800 
8. profile imageMike Brown
@plutokiller


Astronomer, planet hunter, Pluto killer, bear whisperer, Finger-wrapped dad.
How I Killed Pluto and Why It Had...
Pasadena, CA
mikebrownsplanets.com
Google Scholar page
9 yrs, 3 mos on Twitter
Tweets: 5/day • 14% new, 77% replies, 7% retweets, 2% quotes
63,708 1,735 
9. 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
8 yrs, 11 mos on Twitter
Tweets: 9/day • 5% new, 35% replies, 14% retweets, 46% quotes
60,230 1,959 
10. profile imageDr. Bruce Betts
@RandomSpaceFact


Fun random space facts, videos, pix; easy astronomy. Planetary scientist dude. Dir. of Sci & Tech at Planetary Society. Alum @Caltech, @Stanford, @JesuitHighSac
Pasadena, California, USA
randomspacefact.com
9 yrs, 3 mos on Twitter
Tweets: 1/day • 38% new, 1% replies, 59% retweets, 2% quotes
48,114 1,130 
11. 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
linkedin.com/in/drjeff
9 yrs, 5 mos on Twitter
Tweets: 10/day • 38% new, 25% replies, 37% retweets, 0% quotes
*Follows 0.93 feeds per follower
47,092* 1,232 
12. profile imageDr./Prof. Sarah Hörst
@PlanetDr


Just an Assistant Prof of Planetary Science @JohnsHopkins who is tired AF but still trying to do the damn thing. she/her
Baltimore, MD, USA
sarahhorst.com
Google Scholar page
9 yrs, 3 mos on Twitter
Tweets: 18/day • 12% new, 72% replies, 11% retweets, 4% quotes
46,495 1,197 
13. profile imageDavid Brin 🛰
@DavidBrin


Scientist, Futurist, Author (The Postman, Earth, Existence,The Transparent Society). Interested in technology & our changing world. davidbrin.blogspot.com
Chasing Shadows
Insistence of Vision
Star Wars on Trial
San Diego
davidbrin.com
7 yrs, 9 mos on Twitter
Tweets: 5/day • 88% new, 3% replies, 9% retweets, 0% quotes
41,532 2,226 
14. profile imageCatherine Q.
@CatherineQ


Astrophysicist, science communicator, over-thinker. One of @HuffPostscience Top 30 Physicists to follow. Autoimmune illness girl. Kiwi in US. Dogs rule.
USA
CatherineQ.com
9 yrs, 4 mos on Twitter
Tweets: 41/day • 49% new, 25% replies, 19% retweets, 7% quotes
40,142 1,708 
15. profile imagePamela L. Gay
@starstryder


Communicating astronomy and life in academia 1 sidereal day at a time. All opinions & ideas expressed are strictly my own.
Edwardsville, IL
starstryder.com
10 yrs, 5 mos on Twitter
Tweets: 8/day • 30% new, 24% replies, 37% retweets, 8% quotes
38,403 1,618 
16. profile imageIan O'Neill
@astroengine


Recovering British astrophysicist, @AstroSocietyPac Mercury editor, science writer and communicator. #atheist #skeptic #scicomm #eveonline
Woodland Hills, Los Angeles
astroengine.com
9 yrs, 11 mos on Twitter
Tweets: 13/day • 30% new, 21% replies, 35% retweets, 13% quotes
35,922 1,339 
17. 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
The Unknown Universe
Is There Life On Mars?
Little Moon
London
stuartclark.com
9 yrs, 2 mos on Twitter
Tweets: 3/day • 16% new, 33% replies, 25% retweets, 26% quotes
35,679 657 
18. profile imageMatt Taylor
@mggtTaylor


I work at ESA on the Rosetta mission. 501st Dutch Garrison TK67676 EIB
Netherlands
5 yrs, 9 mos on Twitter
Tweets: 9/day • 12% new, 45% replies, 31% retweets, 12% quotes
34,403 630 
19. profile imageDr. T’Chanda Prescod-Weinstein🙅🏽‍♀️ 🇧🇧
@IBJIYONGI


#BlackandSTEM Prof of Physics Chanda P-W. also does: #HistSTM & #STS. Over the binary, tweets by/for me only, repped by @jkpapin. medium.com/@chanda
Seattle/Cambridge/Wakanda
cprescodweinstein.com
10 yrs, 1 mo on Twitter
Tweets: 32/day • 3% new, 55% replies, 20% retweets, 22% quotes
33,978 813 
20. 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
6 yrs, 5 mos on Twitter
Tweets: 0.3/day • 57% new, 1% replies, 37% retweets, 4% quotes
32,394 894 
21. profile imageRobert Simpson
@orbitingfrog


Googler, astronomer, TED Fellow. Views are my own.
UK
orbitingfrog.com
Google Scholar page
11 yrs, 3 mos on Twitter
Tweets: 3/day • 68% new, 11% replies, 20% retweets, 0% quotes
31,608 443 
22. profile imageDr. Tamitha Skov
@TamithaSkov


Space Weather forecasts by a credentialed Space Meteorologist. Stay on top of GPS & amateur radio issues. Know where & when to see aurora during solar storms.
Los Angeles, CA
SpaceWeatherWoman.com
5 yrs, 8 mos on Twitter
Tweets: 10/day • 15% new, 0% replies, 65% retweets, 20% quotes
30,407 932 
23. profile imageDr. Selçuk Topal
@astronomTurk


BSc+MSc @AnkaraUni PhD @OxfordAstro, Fellow @RoyalAstroSoc Prof. (Assist.), #Astronomer #sciencecommunicator #gelecekuzayda 🚀 Official Twitter Account
Turkey
selcuktopal.net
5 yrs, 6 mos on Twitter
Tweets: 4/day • 60% new, 23% replies, 9% retweets, 6% quotes
29,814 87 
24. profile imagechrislintott
@chrislintott


Astronomer, zookeeper and journalist, based at University of Oxford.
The Cosmic Tourist
Exploring the Mysteries of the Un...
Bang!
Oxford
zooniverse.org
Google Scholar page
9 yrs, 9 mos on Twitter
Tweets: 4/day • 18% new, 53% replies, 13% retweets, 16% quotes
28,286 936 
25. profile imageAlan Stern
@AlanStern


Scientist. Space Explorer. Author. Speaker, Optimist. Pilot. Dad. Not necessarily in that order. Follow my New Horizons Twitter feed @NewHorizons2015.
Chasing New Horizons
Pluto and Charon
Worlds Beyond
Niwot, CO
alanstern.space
9 yrs, 11 mos on Twitter
Tweets: 7/day • 6% new, 17% replies, 78% retweets, 0% quotes
28,019 936 
26. profile imageAmy Mainzer
@AmyMainzer


Scientist
Jet Propulsion Laboratory
science.jpl.nasa.gov/people/Mainzer/
5 yrs, 5 mos on Twitter
Tweets: 2/day • 18% new, 71% replies, 7% retweets, 4% quotes
26,200 798 
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
9 yrs, 6 mos on Twitter
Tweets: 7/day • 26% new, 56% replies, 14% retweets, 5% quotes
26,181 689 
28. profile imageJake VanderPlas
@jakevdp


Data scientist in academia & exploring what that means with a great team at @UWeScience. Visiting researcher at @Google; dad to two girls; author of @pydatasci.
Python Data Science Handbook
Seattle WA
vanderplas.com
Google Scholar page
5 yrs, 10 mos on Twitter
Tweets: 2/day • 21% new, 59% replies, 15% retweets, 6% quotes
26,078 1,026 
29. profile imageSethShostak
@SethShostak


Astronomer, SETI Institute. Host, of radio show/podcast Big Picture Science
Life in the Universe (4th Edition...
Confessions of an Alien Hunter
Cosmic Company
Mountain View, California
bigpicturescience.org
9 yrs, 8 mos on Twitter
Tweets: 0.1/day • 82% new, 12% replies, 1% retweets, 6% quotes
25,536 1,146 
30. profile imageJanna Levin
@JannaLevin


Astrophysicist. Author.
Black Hole Blues and Other Songs ...
A Madman Dreams of Turing Machine...
How the Universe Got Its Spots
New York City
jannalevin.com
5 yrs, 4 mos on Twitter
Tweets: 2/day • 30% new, 41% replies, 16% retweets, 14% quotes
24,084 575 
31. profile imageKarl Battams
@SungrazerComets


Astrophysicist/comp scientist tweeting abt comets, Sun, space weather, etc Personal account. Opinions: mine alone; don't represent any agency I work with/for.
Washington, D.C.
sungrazer.nrl.navy.mil
8 yrs, 3 mos on Twitter
Tweets: 3/day • 28% new, 49% replies, 19% retweets, 5% quotes
23,839 829 
32. 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
9 yrs, 5 mos on Twitter
Tweets: 7/day • 26% new, 65% replies, 7% retweets, 2% quotes
23,605 857 
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
8 yrs, 7 mos on Twitter
Tweets: 3/day • 8% new, 51% replies, 39% retweets, 2% quotes
22,725 552 
34. profile imageDavid Grinspoon
@DrFunkySpoon


Astrobiologist, Author, Musician. New book CHASING NEW HORIZONS: Inside the Epic First Mission to Pluto.
Chasing New Horizons
Earth in Human Hands
Towards Understanding the Climate...
Biosphere One
funkyscience.net
Google Scholar page
6 yrs, 9 mos on Twitter
Tweets: 13/day • 16% new, 25% replies, 51% retweets, 8% quotes
21,776 693 
35. profile imageProf. Nicole Gugliucci, Doctor of the Sky
@NoisyAstronomer


Professor, astronomer, education researcher, science communicator, working for equity in STEM. Geek, crossfitter, dog mom. She/her. Tweets my own, etc etc 💙💜💖
New Hampshire, USA
noisyastronomer.com
Google Scholar page
10 yrs, 1 mo on Twitter
Tweets: 14/day • 22% new, 47% replies, 21% retweets, 12% quotes
21,098 1,054 
36. 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
Exploring the Mysteries of Astron...
The New Astronomy Guide
Selsey, England
nightskydiary.com
9 yrs, 2 mos on Twitter
Tweets: 3/day • 42% new, 41% replies, 16% retweets, 0% quotes
19,673 414 
37. 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, 0 mos on Twitter
Tweets: 8/day • 20% new, 41% replies, 15% retweets, 24% quotes
19,567 361 
38. 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
8 yrs, 10 mos on Twitter
Tweets: 15/day • 18% new, 24% replies, 55% retweets, 3% quotes
19,495 1,015 
39. profile imageProf. Lucie Green
@Dr_Lucie


Royal Society University Research Fellow, Professor of Physics at UCL. Staring at the Sun & beyond. Chief Stargazer @popastro. New book: amzn.to/2nitfmi
UK
luciegreen.com
8 yrs, 1 mo on Twitter
Tweets: 3/day • 9% new, 37% replies, 37% retweets, 18% quotes
19,203 606 
40. profile imageTanya Harrison
@tanyaofmars


🇨🇦Professional Martian, PhD. Director of Research @asunewspace, Web Editor @exploreplanets, current/former team @[email protected]+Mars Recon Orbiter.
Toronto / Phoenix
tanyaofmars.com
9 yrs, 4 mos on Twitter
Tweets: 9/day • 7% new, 38% replies, 50% retweets, 5% quotes
18,838 774 
41. profile imageJavier Armentia
@javierarmentia


Astrofísico, comunicador científico, escéptico, ateo, mala gente en general. Ah, y gay.
Pamplona
javierarmentia.com
Google Scholar page
9 yrs, 1 mo on Twitter
Tweets: 9/day • 22% new, 27% replies, 47% retweets, 4% quotes
17,821 824 
42. profile imageAdam Frank
@AdamFrank4


Astrophysicist: University of Rochester. NPR Science Blogger: 13.7. Author: Light of the Stars: Alien Worlds and the Fate of the Earth.
Light of the Stars
Astronomy: At Play in the Cosmos
Astronomy
University of Rochester
facebook.com/AdamFrankAutho…
6 yrs, 11 mos on Twitter
Tweets: 3/day • 16% new, 13% replies, 15% retweets, 56% quotes
16,955 579 
43. profile imageSophia Nasr 🏳️‍🌈
@Astropartigirl


Astroparticle physicist working on dark matter. PhD student @UCIrvine. On a mission to captivate the world w/ physics, one particle at a time. And w/ hamsters.
🐶|Los Angeles〉+ 🐹|Irvine〉
astropartigirl.com
8 yrs, 2 mos on Twitter
Tweets: 13/day • 8% new, 67% replies, 23% retweets, 2% quotes
16,635 516 
44. 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
8 yrs, 7 mos on Twitter
Tweets: 21/day • 20% new, 35% replies, 27% retweets, 18% quotes
14,738 615 
45. profile imageProf. Abel Méndez
@ProfAbelMendez


Planetary Astrobiologist and Director of the @PlanetaryHabLab. Studying habitable worlds using the Arecibo Observatory. #exoplanets #astrobiology
Searching for Habitable Worlds
Arecibo, Puerto Rico
phl.upr.edu
8 yrs, 8 mos on Twitter
Tweets: 24/day • 55% new, 2% replies, 43% retweets, 0% quotes
*Follows 0.78 feeds per follower
13,733* 741 
46. 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, 2 mos on Twitter
Tweets: 4/day • 28% new, 16% replies, 51% retweets, 6% quotes
13,103 474 
47. profile imageHakeem Oluseyi
@HakeemOluseyi


Astrophysicist | Inventor | Educator | Speaker | OG | KAΨ | Outrageous Acts of Science | How the Universe Works | MY opinions | Retweet or Follow ≠ Endorsement
Proceedings of the 2009 Joint Ann...
Proceedings of the National Socie...
Washington, DC
fit.edu/faculty/profil…
5 yrs, 9 mos on Twitter
Tweets: 3/day • 48% new, 26% replies, 21% retweets, 5% quotes
12,992 308 
48. profile imageLucianne Walkowicz
@shaka_lulu


Chair of Astrobiology @librarycongress studying ethics of Mars exploration, astronomer @AdlerPlanet, multimedia artist. Opinions ~my own~
Washington, DC
tangledfields.com
Google Scholar page
7 yrs, 5 mos on Twitter
Tweets: 5/day • 8% new, 44% replies, 39% retweets, 8% quotes
12,654 409 
49. 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, 3 mos on Twitter
Tweets: 36/day • 31% new, 20% replies, 41% retweets, 8% quotes
12,519 544 
50. profile imageChristine Corbett M.
@corbett


Cyber Defense Research & Europa Clipper Engineering @NASAJPL, Astrophysics @Caltech. Past: @SpaceX, @MIT, @SignalApp, @SPTelescope. Science @astro_corbett
Pasadena, CA
christinecorbettmoran.com
Google Scholar page
8 yrs, 2 mos on Twitter
Tweets: 7/day • 14% new, 37% replies, 42% retweets, 7% quotes
12,514 471 
51. profile imageProf. Lisa Harvey-Smith
@lisaharveysmith


Astrophysicist, Author, #WhenGalaxiesCollide, (30 July @MUPublishing), Presenter @ABCtv's #StargazingABC, Ultra-marathoner. 🌈 https://t.co/20P4INHe1M
Sydney
lisaharveysmith.com
6 yrs, 8 mos on Twitter
Tweets: 2/day • 24% new, 46% replies, 13% retweets, 16% quotes
12,032 217 
52. profile imageEthan Siegel
@StartsWithABang


The Universe is: Expanding, cooling, and dark. It starts with a bang! #Cosmology Science writer, astrophysicist, author, Forbes & NASA columnist.
Treknology
Beyond the Galaxy
Portland, OR
forbes.com/sites/startswi…
7 yrs, 3 mos on Twitter
Tweets: 5/day • 16% new, 59% replies, 20% retweets, 4% quotes
11,756 683 
53. profile imagePaul M. Sutter
@PaulMattSutter


Astrophysicist, Agent to the Stars
Your Place in the Universe
pmsutter.com
Google Scholar page
6 yrs, 3 mos on Twitter
Tweets: 2/day • 57% new, 23% replies, 18% retweets, 3% quotes
*Follows 0.71 feeds per follower
11,608* 276 
54. profile imageJedidah Isler, PhD
@JedidahIslerPhD


Relentless Dreamer / Astrophysicist / Science Lover / Innovator / TED Fellow / Founder & Host @VanguardSTEM / @NatGeo Emerging Explorer
JedidahIslerPhD.com
7 yrs, 11 mos on Twitter
Tweets: 4/day • 3% new, 28% replies, 46% retweets, 23% quotes
11,486 408 
55. profile imageHarold Geller
@AstroBioProf


Observatory Director (George Mason University) Astrosciences, science, education. NASA/JPL Solar System Ambassador. Opinions are my own. Links not= endorsements
Multigenerational Starship Design...
A Pluto Story
All the Secrets of the Universe
Fairfax, Virginia
physics.gmu.edu/~hgeller/
9 yrs, 5 mos on Twitter
Tweets: 10/day • 95% new, 1% replies, 5% retweets, 0% quotes
*Follows 0.68 feeds per follower
11,071* 291 
56. profile imageSarah Tuttle
@niais


Astrophysicist. Vashti or Mordechai, depends on the day. Armed with wrenches & a dream. Professor. Legally & reputationally risky. 100% problematic.
Feminist Dystopian Hellscape
astrotuttle.wordpress.com
10 yrs, 6 mos on Twitter
Tweets: 27/day • 5% new, 51% replies, 38% retweets, 6% quotes
*Follows 0.54 feeds per follower
10,408* 348 
57. 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.
Planetology
Exploring Venus as a Terrestrial ...
Washington, DC
airandspace.si.edu/stories/editor…
6 yrs, 5 mos on Twitter
Tweets: 2/day • 16% new, 9% replies, 65% retweets, 10% quotes
10,404 342 
58. profile imageSébastien Carassou 🌎
@FlashCordon


Astrophysicien, Youtublogueur blagueur (#LeSOW, @StringTheoryFR), fondateur de @Asso_Conscience et @EnDirectDuLabo
Le cosmos est mon campement.
youtube.com/channel/UCjsHD…
7 yrs, 1 mo on Twitter
Tweets: 14/day • 6% new, 43% replies, 51% retweets, 1% quotes
10,236 288 
59. profile imageTim O'Brien
@ProfTimOB


Professor of Astrophysics, Associate Director @jodrellbank, Director Teaching UoM Physics, Science stuff @bluedotfestival, likes exploding stars. Own views.
❤️ Manchester 🐝
proftimobrien.com
Google Scholar page
9 yrs, 4 mos on Twitter
Tweets: 6/day • 24% new, 47% replies, 26% retweets, 4% quotes
10,163 250 
60. 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]
The Kerbal Player's Guide
Make
Learning iOS Programming
Exeter, UK and ✈️
alasdairallan.com
10 yrs, 3 mos on Twitter
Tweets: 9/day • 28% new, 41% replies, 3% retweets, 28% quotes
9,902 900 
61. 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
10 yrs, 4 mos on Twitter
Tweets: 6/day • 13% new, 23% replies, 47% retweets, 18% quotes
9,763 457 
62. profile imageEd Lu
@astroEdLu


Finding a million asteroids!
Pale Blue Dot
sentinelmission.org
6 yrs, 5 mos on Twitter
Tweets: 0.4/day • 39% new, 11% replies, 49% retweets, 1% quotes
9,593 268 
63. 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, 1 mo on Twitter
Tweets: 0.8/day • 30% new, 51% replies, 11% retweets, 9% quotes
9,517 159 
64. profile imageDr Tabetha Boyajian
@tsboyajian


Assistant professor of Astrophysics at #LSU. disrupter of astrophysics; #BoyajiansStar #TabbysStar; all posts here are my own
Extrasolar Planets and Their Host...
Baton Rouge, LA
wherestheflux.com
Google Scholar page
8 yrs, 11 mos on Twitter
Tweets: 0.5/day • 36% new, 41% replies, 15% retweets, 8% quotes
9,496 211 
65. 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
Searching for the Oldest Stars
New Horizons in Astronomy
Cambridge, MA, USA
annafrebel.com
5 yrs, 1 mo on Twitter
Tweets: 1/day • 14% new, 59% replies, 13% retweets, 14% quotes
9,377 159 
66. profile imagePriyamvada Natarajan
@SheerPriya


@Yale astrophysicist, works on exotica in the universe: dark matter, black holes; Author: Mapping the Heavens • https://t.co/DuzePWpq2N
Mapping the Heavens
The Shapes Of Galaxies and their ...
New Haven, CT
amazon.com/gp/aw/d/030020…
Google Scholar page
2 yrs, 4 mos on Twitter
Tweets: 1/day • 43% new, 41% replies, 2% retweets, 14% quotes
8,625 89 
67. profile imageJ Richard Gott
@JRichardGott


Astrophysicist. WELCOME TO THE UNIVERSE w/ @neiltyson, M. Strauss amazon.com/Welcome-Univer…; THE COSMIC WEB
Welcome to the Universe
Welcome to the Universe
The Cosmic Web
Princeton, New Jersey
sizinguptheuniverse.com
7 yrs, 9 mos on Twitter
Tweets: 0.8/day • 67% new, 2% replies, 21% retweets, 10% quotes
8,609 304 
68. 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.
The Ultimate Interplanetary Trave...
The Interstellar Age
The Interstellar Age
jimbell.sese.asu.edu
Google Scholar page
9 yrs, 7 mos on Twitter
Tweets: <0.05/day • 83% new, 3% replies, 12% retweets, 2% quotes
8,340 249 
69. profile imageKeri Bean
@PlanetaryKeri


NASA Rey. Mars rover driver in training for @MarsRovers. Science ops for NASA's TIE Fighter @NASA_Dawn. R2-D2's mom. @SunriderBase @RebelLegion Rey. Hufflepuff
Pasadena, CA
keribean.com
7 yrs, 2 mos on Twitter
Tweets: 16/day • 7% new, 85% replies, 5% retweets, 4% quotes
8,180 485 
70. profile imageBryan Gaensler
@SciBry


Astronomer and Director of the @DunlapInstitute at @UofT. Science-fiction connoisseur, rugby tragic, displaced Antipodean, bewildered parent. Opinions ∉ @UofT.
Extreme Cosmos
Toronto, Canada
bryangaensler.net
Google Scholar page
8 yrs, 11 mos on Twitter
Tweets: 12/day • 14% new, 17% replies, 63% retweets, 5% quotes
7,947 346 
71. profile imageDr. Anita Sengupta
@Doctor_Astro


Senior Vice President Virgin Hyperloop, Aerospace Engineer, Pilot, Prof USC, Motorcyclist, Diver, former NASA rocket scientist, Life after Landing on Mars.
Earth
AnitaSengupta.com
6 yrs, 6 mos on Twitter
Tweets: 4/day • 50% new, 9% replies, 22% retweets, 18% quotes
7,772 299 
72. 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
4 yrs, 4 mos on Twitter
Tweets: 5/day • 5% new, 75% replies, 14% retweets, 6% quotes
7,566 182 
73. profile imageProf. Karen Masters 💫⭐️✨
@KarenLMasters


Professor of astrophysics @haverfordedu. Investigating galaxies with @GalaxyZoo @SDSSurveys. Touch a galaxy @TactileUniverse. Mostly tweeting astronomy. British
Ardmore, PA
icg.port.ac.uk/~mastersk
Google Scholar page
9 yrs, 4 mos on Twitter
Tweets: 10/day • 16% new, 22% replies, 57% retweets, 5% quotes
7,316 352 
74. profile imageDr Michele Bannister
@astrokiwi


Planetary astronomer, poet, hunter of new and strange worlds. Connoisseur of fuzzy dots of light. Asteroid (10463). Research Fellow @AstroQUB.
living the life non-sidereal
astro.uvic.ca/~micheleb/
9 yrs, 4 mos on Twitter
Tweets: 5/day • 12% new, 63% replies, 17% retweets, 8% quotes
7,239 331 
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
10 yrs, 10 mos on Twitter
Tweets: 10/day • 18% new, 29% replies, 41% retweets, 12% quotes
7,187 388 
76. profile imageAlessondra Springmann
@sondy


asteroids, comets, sounding rockets, @AreciboRadar/🇵🇷 love, cacti, geology, autoimmune disease, puns, equity/inclusion, 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, 2 mos on Twitter
Tweets: 18/day • 10% new, 74% replies, 13% retweets, 3% quotes
6,949 320 
77. profile imageJane MacArthur
@Jane_MacArthur


Planetary scientist @UniOfLeicester studying martian meteorites & comet dust. Writer @PopAstro. Fellow @RoyalAstroSoc #MetSoc2018 #RAS200 #Violinist
Mars
janemac.org
Google Scholar page
9 yrs, 5 mos on Twitter
Tweets: 2/day • 18% new, 39% replies, 33% retweets, 10% quotes
6,939 
78. 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.
Exoplanets (Space Science Series)
Exoplanet Atmospheres
Cambridge, MA
seagerexoplanets.mit.edu
7 yrs, 9 mos on Twitter
Tweets: 0.1/day • 44% new, 35% replies, 15% retweets, 7% quotes
6,864 337 
79. profile imageMario Livio
@Mario_Livio


Internationally known astrophysicist. Author: The Golden Ratio, Brilliant Blunders, WHY? mario-livio.com
Why?: What Makes Us Curious
Brilliant Blunders
The Local Group as an Astrophysic...
Baltimore,MD
mario-livio.com
6 yrs, 3 mos on Twitter
Tweets: 7/day • 18% new, 0% replies, 46% retweets, 36% quotes
6,755 376 
80. profile imageDr. Karan Jani
@AstroKPJ


Astrophysicist at @GeorgiaTech | @LIGO scientist | @Forbes 30 Under 30
Atlanta / Baroda
KaranJani.com
7 yrs, 1 mo on Twitter
Tweets: 4/day • 22% new, 31% replies, 33% retweets, 14% quotes
6,501 85 
81. profile imageJulianne Dalcanton
@dalcantonJD


Astrophysicist at the University of Washington. Principal Investigator of the Panchromatic Hubble Andromeda Treasury (PHAT).
6 yrs, 6 mos on Twitter
Tweets: 11/day • 1% new, 34% replies, 53% retweets, 12% quotes
6,102 279 
82. profile imageLewis Dartnell
@lewis_dartnell


Prof., astrobiology researcher, science communicator & book author georiot.co/3ke0 | georiot.co/13Ie | the-knowledge.org
The Knowledge
Astrobiology
Martian Death Rays
London
lewisdartnell.com
9 yrs, 2 mos on Twitter
Tweets: 6/day • 17% new, 41% replies, 42% retweets, 0% quotes
5,981 353 
83. 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
5 yrs, 9 mos on Twitter
Tweets: 14/day • 10% new, 60% replies, 26% retweets, 5% quotes
5,946 192 
84. 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
7 yrs, 4 mos on Twitter
Tweets: 11/day • 8% new, 17% replies, 63% retweets, 12% quotes
5,915 386 
85. profile imageÁngel López-Sánchez
@El_Lobo_Rayado


Spanish Astrophysicist & Science Communicator at @AAOastro & @MQPhysAstro, Australia. Español: https://t.co/qPaSJrZj7o y https://t.co/jYnDPE3jZ5
Sydney, Australia
angelrls.wordpress.com
7 yrs, 2 mos on Twitter
Tweets: 12/day • 4% new, 37% replies, 50% retweets, 8% quotes
5,909 329 
86. 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
How to Live in Space
Fabulous Figures and Cool Calcula...
Astonishing Atoms and Matter Mayh...
London
colinstuart.net
9 yrs, 7 mos on Twitter
Tweets: 3/day • 18% new, 23% replies, 54% retweets, 6% quotes
5,858 428 
87. profile imageProf. Chris Welch
@ProfChrisWelch


@ISUnet space prof, @IAFAstro VP, @WorldSpaceWeek VChair, @BIS_Spaceflight @SpacelinkLF @TheArtsCatalyst boards, @I4Interstellar @MoonVillageAssn advisor.
Strasbourg, France
isunet.edu/prof-christoph…
9 yrs, 6 mos on Twitter
Tweets: 2/day • 35% new, 8% replies, 56% retweets, 2% quotes
5,835 234 
88. profile imageJason Wright
@Astro_Wright


Associate Professor of Astronomy and Astrophysics at Penn State. Astronomy and meta-astronomy. Opinions are my own.
State College, PA, USA
sites.psu.edu/astrowright/
Google Scholar page
5 yrs, 9 mos on Twitter
Tweets: 3/day • 16% new, 61% replies, 17% retweets, 6% quotes
5,807 189 
89. 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, 0 mos on Twitter
Tweets: 12/day • 18% new, 69% replies, 6% retweets, 8% quotes
5,796 162 
90. profile imageMarc Kuchner
@marckuchner


PI of Citizen Science projects backyardworlds.org, diskdetective.org, Astrophysicist, Songwriter.
Marketing for Scientists
Greenbelt, MD
marketingforscientists.com
9 yrs, 7 mos on Twitter
Tweets: 0.6/day • 40% new, 21% replies, 11% retweets, 28% quotes
5,794 197 
91. 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
7 yrs, 10 mos on Twitter
Tweets: 5/day • 58% new, 3% replies, 27% retweets, 11% quotes
5,752 392 
92. profile imageBrooke Simmons
@vrooje


Somewhat distracted astrophysicist researching galaxies & black holes; on @galaxyzoo & @the_zooniverse teams. Also planetaryresponsenetwork.org lead.
San Diego, CA
vrooje.github.io
9 yrs, 10 mos on Twitter
Tweets: 4/day • 4% new, 33% replies, 57% retweets, 6% quotes
5,707 188 
93. 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, 3 mos on Twitter
Tweets: 3/day • 36% new, 54% replies, 7% retweets, 3% quotes
5,646 225 
94. 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
9 yrs, 5 mos on Twitter
Tweets: 1/day • 26% new, 49% replies, 1% retweets, 22% quotes
5,508 292 
95. profile imagePeter Coles 🌈 🇪🇺 🇮🇪 🇬🇧
@telescoper


Theoretical astrophysicist, specialising in cosmology, making a new home in Ireland. Also interested in jazz, opera, poetry, crosswords, cricket, etc. #FBPE
The Routledge Companion to the Ne...
From Cosmos to Chaos
Cosmology
Maynooth, Co Kildare, Ireland
telescoper.wordpress.com
Google Scholar page
8 yrs, 9 mos on Twitter
Tweets: 21/day • 30% new, 19% replies, 39% retweets, 12% quotes
5,494 312 
96. profile imageDr. Jessie Christiansen
@aussiastronomer


NASA Staff Scientist | #exoplaneteer | #WomenInStem advocate | Science curator at @NASAExoArchive | Usual nerd grab-bag of fandoms
Caltech, Pasadena, CA, USA
spider.ipac.caltech.edu/staff/christia/
4 yrs, 6 mos on Twitter
Tweets: 7/day • 21% new, 56% replies, 11% retweets, 12% quotes
5,392 171 
97. profile imageDr Rachael Livermore
@rhaegal


British Astrophysicist & tea lover. I critique Star Trek science at snarkyastronomer.tumblr.com Videos of my public talks at bit.ly/SciTalks
Melbourne, Victoria
rlivermore.com
10 yrs, 0 mos on Twitter
Tweets: 9/day • 12% new, 74% replies, 9% retweets, 6% quotes
5,387 173 
98. profile imageChris North
@chrisenorth


Lecturer & astronomer @CardiffPHYSX. Co-author of cosmos-book.github.io + other books, semi-regular broadcaster. Comments own. [he/his]
The Sky at Night
Cosmos
How to Read the Solar System
Cardiff (normally)
blogs.cardiff.ac.uk/chrisnorth
8 yrs, 9 mos on Twitter
Tweets: 3/day • 16% new, 53% replies, 15% retweets, 16% quotes
5,322 166 
99. profile imageJuan Diego Soler
@juandiegosoler


Astrofísico. Colombiano. Investigador del campo magnético interestelar. Explorador antártico retirado. Historias de ciencia https://t.co/mJbGUE04xc
Germany
facebook.com/juandiegosoler…
7 yrs, 3 mos on Twitter
Tweets: 5/day • 50% new, 19% replies, 30% retweets, 1% quotes
5,321 79 
100. 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
8 yrs, 4 mos on Twitter
Tweets: 4/day • 32% new, 42% replies, 14% retweets, 12% quotes
5,146 159 
101. 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
5 yrs, 7 mos on Twitter
Tweets: 6/day • 12% new, 23% replies, 51% retweets, 14% quotes
5,125 325 
102. profile imageMarek Kukula
@marekkukula


Space stuff
The Scientific Secrets of Doctor ...
7 yrs, 11 mos on Twitter
Tweets: 4/day • 3% new, 2% replies, 94% retweets, 1% quotes
5,112 218 
103. profile imageAmedeo Balbi
@amedeo_balbi


(Astro)physicist, associate professor @UniTorVergata. Columnist @Le_Scienze. Author
The Music of the Big Bang
Roma, Italy
amedeobalbi.it
Google Scholar page
10 yrs, 3 mos on Twitter
Tweets: 1/day • 34% new, 13% replies, 43% retweets, 10% quotes
5,103 172 
104. profile imageDr. 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
8 yrs, 11 mos on Twitter
Tweets: 4/day • 28% new, 37% replies, 22% retweets, 12% quotes
4,967 226 
105. profile imageMapperwocky 📎⛰⚒
@cirquelar


Dr. Fred Calef III, Geologist, Keeper of the Maps, Sciengineering at @NASA_JPL. Will map landing sites for food (comments my own) Fav Dino: Ankylosaurus
Mars via JPL via Surf City
9 yrs, 0 mos on Twitter
Tweets: 24/day • 2% new, 29% replies, 66% retweets, 4% quotes
4,934 417 
106. profile imageTom Kerss 💫
@tomkerss


THE FOUNDER OF SPACEOLOGY. No relation to Lady Gaga or Shaggy. #Stargazing #Moongazing
Stargazing
Greenwich, London
tomkerss.co.uk
9 yrs, 5 mos on Twitter
Tweets: 3/day • 20% new, 44% replies, 30% retweets, 6% quotes
4,921 210 
107. profile imageEmily Baldwin
@AstroEmz


Space Science Editor at EJR-Quartz for ESA, based at ESTEC. Tweets about space, running, coffee. Opinions own.
Leiden, Netherlands
9 yrs, 4 mos on Twitter
Tweets: 4/day • 19% new, 27% replies, 41% retweets, 14% quotes
4,897 297 
108. profile imageGuy Consolmagno
@specolations


Brother astronomer at the Vatican Observatory, occasional book author
Would You Baptize an Extraterrest...
Turn Left at Orion
Worlds Apart
5 yrs, 7 mos on Twitter
Tweets: 1/day • 22% new, 9% replies, 67% retweets, 2% quotes
4,885 174 
109. profile imageDr. Jessica Kirkpatrick
@berkeleyjess


Jessica Ann Kirkpatrick, Astrophysicist → Data Scientist #scientist #runner #feminist #writer #catPerson
San Francisco, CA
berkeleyjess.blogspot.com
9 yrs, 0 mos on Twitter
Tweets: 1/day • 42% new, 30% replies, 22% retweets, 6% quotes
4,881 289 
110. profile imageJesse Shanahan
@Enceladosaurus


Astrophysicist studying bulgeless galaxies & writing about space & linguistics for @Forbes. EMT. Cofounded @AAS_WGAD, creator of #disabledandSTEM. #EDS
Stolen Manahoac Land
enceladosaur.us
7 yrs, 1 mo on Twitter
Tweets: 13/day • 46% new, 27% replies, 20% retweets, 7% quotes
4,811 195 
111. profile imageDavid Spergel
@DavidSpergel


Astrophysicist at Princeton University and Flatiron Institute
Princeton NJ
astro.princeton.edu/~dns
4 yrs, 6 mos on Twitter
Tweets: 0.6/day • 50% new, 21% replies, 21% retweets, 8% quotes
4,803 174 
112. profile imageTrueSciPhi
@TrueSciPhi


A window on science, mathematics, and philosophy communities on Twitter and YouTube, by Kelly Truelove. See site for more.
Austin, Texas
TrueSciPhi.org
Google Scholar page
3 yrs, 1 mo on Twitter
Tweets: 0.4/day • 40% new, 9% replies, 41% retweets, 10% quotes
4,736 201 
113. 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…
9 yrs, 5 mos on Twitter
Tweets: 50/day • 16% new, 45% replies, 31% retweets, 8% quotes
4,717 396 
114. 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
9 yrs, 5 mos on Twitter
Tweets: 2/day • 10% new, 45% replies, 39% retweets, 6% quotes
4,660 249 
115. 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.
The Origins of Stars and Planets
The Origins of Stars and Planets
Wassenaar, The Netherlands
2 yrs, 11 mos on Twitter
Tweets: 33/day • 16% new, 69% replies, 6% retweets, 8% quotes
4,651 164 
116. 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
10 yrs, 10 mos on Twitter
Tweets: 3/day • 9% new, 39% replies, 43% retweets, 8% quotes
4,650 192 
117. 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
2 yrs, 10 mos on Twitter
Tweets: 0.1/day • 37% new, 47% replies, 10% retweets, 6% quotes
4,623 69 
118. 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
4 yrs, 11 mos on Twitter
Tweets: 10/day • 2% new, 14% replies, 85% retweets, 0% quotes
4,508 180 
119. 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
9 yrs, 5 mos on Twitter
Tweets: 9/day • 9% new, 49% replies, 39% retweets, 4% quotes
4,492 103 
120. profile imageJane Rigby
@janerrigby


Astronomer researching black holes & galaxies, using telescopes around world & in space, helping build Webb Telescope @NASA. Queer parent geek UU.🚲 Views mine
DC Metro
janerigby.net
7 yrs, 6 mos on Twitter
Tweets: 1.0/day • 26% new, 51% replies, 21% retweets, 1% quotes
4,459 102 
121. profile imageJames Tuttle Keane
@jtuttlekeane


JCPA Postdoc at Caltech. Studying planetary gravity, rotation, and tides. Occasional artist. Owner of Cheesecake and Poppy, the dogs.
Pasadena, CA
jamestuttlekeane.com
4 yrs, 3 mos on Twitter
Tweets: 2/day • 20% new, 31% replies, 45% retweets, 4% quotes
4,450 159 
122. 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
9 yrs, 4 mos on Twitter
Tweets: 0.1/day • 56% new, 7% replies, 21% retweets, 17% quotes
4,402 237 
123. profile imageEmily Petroff
@ebpetroff


Astronomer. Reader. Random number generator. I study things that go bang.
The Netherlands
ebpetroff.com
5 yrs, 0 mos on Twitter
Tweets: 3/day • 33% new, 46% replies, 15% retweets, 6% quotes
4,383 93 
124. profile imageDr. Maria Womack
@StarzanPlanets


Astrophysicist & planetary scientist, USF professor #teamcomets #astrochemistry #scipolicy #planetarydefense Contains no pseudoscience
Tampa, Florida
mariawomack.com
Google Scholar page
8 yrs, 11 mos on Twitter
Tweets: 5/day • 10% new, 51% replies, 35% retweets, 2% quotes
4,354 248 
125. profile imageKevin Schawinski
@kevinschawinski


Asst Prof @ETH_en | black holes | galaxies | #citizenscience | @galaxyzoo | deep learning | co-founder @modulos_ai | space.ml
Zurich, Switzerland
astro.ethz.ch/schawinski
Google Scholar page
7 yrs, 5 mos on Twitter
Tweets: 10/day • 20% new, 39% replies, 26% retweets, 14% quotes
4,277 244 
126. 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
6 yrs, 8 mos on Twitter
Tweets: 0.5/day • 45% new, 16% replies, 7% retweets, 33% quotes
4,269 209 
127. 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, 2 mos on Twitter
Tweets: 9/day • 24% new, 20% replies, 53% retweets, 4% quotes
4,251 253 
128. 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...
The Zoomable Universe
The Copernicus Complex
Gravity's Engines
New York
calebscharf.com
7 yrs, 8 mos on Twitter
Tweets: 3/day • 36% new, 13% replies, 38% retweets, 12% quotes
4,140 302 
129. 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
8 yrs, 11 mos on Twitter
Tweets: 5/day • 23% new, 45% replies, 13% retweets, 20% quotes
4,095 180 
130. 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
6 yrs, 6 mos on Twitter
Tweets: 13/day • 16% new, 22% replies, 36% retweets, 27% quotes
4,084 312 
131. profile imageAnna Hughes
@AnnaGHughes


Astrophysics PhD student // thesis on space weather of ultracool M dwarfs. Into snowboarding, ultimate, & sci-fi. Boring IG @ liliesforachilles
Vancouver, British Columbia
1 yr, 8 mos on Twitter
Tweets: 1/day • 20% new, 63% replies, 11% retweets, 6% quotes
4,020 49 
132. 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
11 yrs, 6 mos on Twitter
Tweets: 2/day • 17% new, 35% replies, 45% retweets, 4% quotes
4,006 256 
133. 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, 3 mos on Twitter
Tweets: 52/day • 3% new, 38% replies, 57% retweets, 2% quotes
3,992 335 
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, 1 mo on Twitter
Tweets: 17/day • 20% new, 55% replies, 14% retweets, 11% quotes
3,962 221 
135. profile imageHalo CME
@halocme


Solar physicist who believes we must monitor magnetic field at Sun's both poles to make space weather forecast useful for human space exploration beyond Earth.
Palo Alto, California
4 yrs, 9 mos on Twitter
Tweets: 1/day • 70% new, 7% replies, 5% retweets, 18% quotes
3,878 191 
136. profile imageJackie Faherty
@jfaherty


Astrophysicist at @AMNH. Enthusiast for bringing the cosmos to the public @backyardworlds #womeninscience #BDNYC #manhattanhenge calculator. #scicomm
jackiefaherty.com
9 yrs, 4 mos on Twitter
Tweets: 1/day • 32% new, 42% replies, 5% retweets, 20% quotes
3,821 126 
137. profile imageRisa Wechsler
@RisaWechsler


astrophysicist. cosmologist. maker of universes and various kinds of trouble. professor of physics @ stanford
San Francisco
risawechsler.com
Google Scholar page
5 yrs, 10 mos on Twitter
Tweets: 2/day • 13% new, 27% replies, 29% retweets, 31% quotes
3,764 132 
138. profile imageKimberly EnnicoSmith
@kennicosmith


Scientist fueled by tea. Inspired by many. Passionate about space exploration, human & robotic. What wonders await us?
Mountain View, CA
kandrsmith.org/KES/
10 yrs, 4 mos on Twitter
Tweets: 4/day • 59% new, 7% replies, 23% retweets, 12% quotes
3,764 302 
139. profile imageDan Hooper
@DanHooperAstro


Physicist and author at Fermilab and the University of Chicago
High-energy Neutrino Astronomy
Dark Cosmos
Chicago, IL
7 mos on Twitter
Tweets: 4/day • 20% new, 33% replies, 38% retweets, 10% quotes
3,681 65 
140. 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, 1 mo on Twitter
Tweets: 2/day • 22% new, 21% replies, 52% retweets, 5% quotes
3,595 90 
141. 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
9 yrs, 5 mos on Twitter
Tweets: 2/day • 46% new, 15% replies, 33% retweets, 6% quotes
3,559 201 
142. 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
9 yrs, 4 mos on Twitter
Tweets: 4/day • 54% new, 23% replies, 17% retweets, 5% quotes
3,520 279 
143. profile imageDr Maggie Lieu
@Space_Mog


An Astrophysicist working at @ESA. Trying to understand the dark Universe with Bayesian stats, ML & @ESA_Euclid. Past: @unibirmingham, @UCLA, @UniKent OMO
Community of Madrid, Spain
maggielieu.com
Google Scholar page
5 yrs, 1 mo on Twitter
Tweets: 2/day • 18% new, 49% replies, 27% retweets, 6% quotes
3,497 117 
144. 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
7 yrs, 7 mos on Twitter
Tweets: 4/day • 6% new, 24% replies, 65% retweets, 4% quotes
3,487 179 
145. 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
9 yrs, 10 mos on Twitter
Tweets: 4/day • 29% new, 35% replies, 21% retweets, 15% quotes
3,431 209 
146. 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.
What Are Gamma-Ray Bursts? (Princ...
Toward an Understanding of the Pr...
Berkeley, CA
astro.berkeley.edu/~jbloom
Google Scholar page
10 yrs, 1 mo on Twitter
Tweets: 1/day • 34% new, 25% replies, 27% retweets, 14% quotes
3,421 253 
147. profile imageMeghan Gray
@emeegray


Astronomer. Mother. Stranger in a strange land. All views my own.
Nottingham
nottingham.ac.uk/~ppzmeg
7 yrs, 0 mos on Twitter
Tweets: 0.8/day • 14% new, 59% replies, 19% retweets, 8% quotes
3,397 89 
148. profile imageDr. Sarah Milkovich
@milkysa


Science Operations Lead for NASA's Mars 2020 Rover. Previously on Mars Reconnaissance Orbiter/HiRISE, Curiosity, Cassini, Mars Phoenix. Opinions are my own.
Los Angeles, CA
planetarywanderings.wordpress.com
8 yrs, 6 mos on Twitter
Tweets: 2/day • 2% new, 11% replies, 78% retweets, 9% quotes
3,376 192 
149. profile imageAlberto Conti
@albertoconti


Astrophysicist 'Fight Devastating Ignorance with Facts' - Tweets are my own, at least in this multiverse. en.wikipedia.org/wiki/Alberto_C…
MD, USA
en.m.wikipedia.org/wiki/Alberto_C…
Google Scholar page
10 yrs, 0 mos on Twitter
Tweets: 5/day • 36% new, 3% replies, 58% retweets, 2% quotes
3,363 214 
150. 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, 1 mo on Twitter
Tweets: 4/day • 12% new, 57% replies, 21% retweets, 10% quotes
3,316 227 
151. profile imageKonstantin Batygin
@kbatygin


Planetary Science Prof @ Caltech | Vox & Guitar @ TheSeventhSeason.net | Husband | Dad
Pasadena, CA
konstantinbatygin.com
Google Scholar page
2 yrs, 6 mos on Twitter
Tweets: 1/day • 30% new, 55% replies, 11% retweets, 4% quotes
3,312 100 
152. 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
4 yrs, 11 mos on Twitter
Tweets: 17/day • 4% new, 37% replies, 48% retweets, 10% quotes
3,270 213 
153. profile imageMonica Grady
@MonicaGrady


short, round, bespectacled, busy and bossy. Opinions my own
Atlas of Meteorites
Stardust from Space (Natural Hist...
Catalogue of Meteorites Reference...
monicamgrady.com
9 yrs, 3 mos on Twitter
Tweets: 0.9/day • 41% new, 8% replies, 7% retweets, 44% quotes
3,234 107 
154. profile imageDJ Dr JJ Eldridge
@astro_jje


NZ Astrophysicist studying exploding binary stars. Lecturer, Speaker, Sci-fi addict, feminist, trans non-binary femme, prefers them/they/she/her pro-nouns.
The Lives and Death-Throes of Mas...
Auckland, New Zealand
about.me/jj.eldridge
Google Scholar page
5 yrs, 2 mos on Twitter
Tweets: 19/day • 16% new, 36% replies, 47% retweets, 1% quotes
3,227 94 
155. profile imageDr Natalie Starkey
@StarkeyStardust


Started life as a geologist, now sucked into space! Popular science author, scientist, writer, science communicator. Science host for @StarTalkRadio.
Catching Stardust
USA/UK
nataliestarkey.com
6 yrs, 5 mos on Twitter
Tweets: 2/day • 22% new, 49% replies, 21% retweets, 8% quotes
3,216 98 
156. profile imageDavid Kipping
@david_kipping


Exoplanets & Exomoons, Columbia University, Cool Worlds Lab
The Transits of Extrasolar Planet...
Manhattan, NY
coolworlds.astro.columbia.edu
Google Scholar page
9 yrs, 4 mos on Twitter
Tweets: 1/day • 13% new, 41% replies, 35% retweets, 12% quotes
3,182 135 
157. profile imageJames Bullock
@jbprime


Professor and Chair, Department of Physics & Astronomy, UC Irvine. Cosmologist, Anteater, and Buckeye.
California, USA
physics.uci.edu/~bullock/
Google Scholar page
8 yrs, 11 mos on Twitter
Tweets: 2/day • 20% new, 11% replies, 55% retweets, 14% quotes
3,139 108 
158. 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
cosmocrunch.co.uk
Google Scholar page
7 yrs, 11 mos on Twitter
Tweets: 2/day • 18% new, 34% replies, 41% retweets, 8% quotes
3,110 155 
159. profile imageKurtis Williams
@professor_astro


Assistant professor at Texas A&M University - Commerce
Commerce, TX, USA
blog.professorastronomy.com
9 yrs, 5 mos on Twitter
Tweets: 0.8/day • 26% new, 37% replies, 33% retweets, 4% quotes
3,090 253 
160. profile imageSarah Ballard
@hubbahubble


Habitable worlds, kindness, fiction, etc. At ~75 km/s*Mpc! One half of @drssarahcare
Cambridge, MA
space.mit.edu/~sarahba
4 yrs, 5 mos on Twitter
Tweets: 6/day • 14% new, 3% replies, 81% retweets, 3% quotes
3,060 141 
161. 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, 1 mo on Twitter
Tweets: 10/day • 22% new, 55% replies, 18% retweets, 5% quotes
2,993 110 
162. 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, 0 mos on Twitter
Tweets: 30/day • 3% new, 23% replies, 35% retweets, 38% quotes
2,986 129 
163. 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, 2 mos on Twitter
Tweets: 3/day • 22% new, 57% replies, 7% retweets, 14% quotes
2,984 142 
164. profile imageDr. Carolina Ödman
@carolune


Physicist of the Bayesian confession. 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, 0 mos on Twitter
Tweets: 3/day • 34% new, 22% replies, 36% retweets, 8% quotes
2,972 216 
165. 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
4 yrs, 6 mos on Twitter
Tweets: 0.5/day • 23% new, 33% replies, 37% retweets, 8% quotes
2,941 93 
166. profile imageHaley Gomez
@astrofairy


I'm an Astrophysicist, love books, films astronomy, shoes and dresses.
Cardiff
haley.gomez.me.uk
Google Scholar page
8 yrs, 7 mos on Twitter
Tweets: 2/day • 9% new, 41% replies, 35% retweets, 14% quotes
2,936 154 
167. profile imageGeert Barentsen
@GeertHub


NASA Astronomer in Silicon Valley • Kepler Space Telescope GO Director • Thinks Bayesian • Likes Burritos • Does not own a cat. 🚀🌯😾 #KeplerMission #K2Mission
Mountain View, CA
geert.io
9 yrs, 1 mo on Twitter
Tweets: 2/day • 31% new, 53% replies, 9% retweets, 8% quotes
2,888 157 
168. 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/
10 yrs, 8 mos on Twitter
Tweets: 6/day • 16% new, 22% replies, 35% retweets, 28% quotes
2,867 142 
169. 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, 1 mo on Twitter
Tweets: 2/day • 25% new, 30% replies, 39% retweets, 7% quotes
2,832 138 
170. profile imageRyan Anderson
@Ryan_B_Anderson


Dad. Planetary scientist. Writer. SFF fan. I shoot rocks on Mars with a laser. MSL and Mars2020 science team member. All views expressed are my own. #resist
Flagstaff, AZ
ryanbanderson.com/blog
Google Scholar page
9 yrs, 3 mos on Twitter
Tweets: 3/day • 14% new, 28% replies, 49% retweets, 10% quotes
2,761 262 
171. profile imageSadie Jones
@SotonAstrodome


Outreach Leader in #Astronomy @UniSouthampton & Manager of #OurGreatestTeam - We Take Astrophysics To All! @seti_code @WPNsoton #WomenInSTEM
University of Southampton
astrodome.soton.ac.uk
7 yrs, 1 mo on Twitter
Tweets: 4/day • 42% new, 13% replies, 31% retweets, 14% quotes
2,760 153 
172. 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/lorifenton
Google Scholar page
6 yrs, 8 mos on Twitter
Tweets: 3/day • 2% new, 41% replies, 45% retweets, 12% quotes
2,743 159 
173. profile imagePaul Crowther
@Paul_Crowther


@unisheffield Astrophysics Prof mostly researching Monster Stars. Keen interest in UK sci policy esp @STFC_Matters's ups & downs. @PhysicsShef HoD from Jan 2018
Peoples Republic of Sheffield
pacrowther.staff.shef.ac.uk
Google Scholar page
8 yrs, 7 mos on Twitter
Tweets: 3/day • 44% new, 7% replies, 29% retweets, 19% quotes
2,736 132 
174. profile imageGemma Lavender
@Gemma_Lavender


Editor of All About Space magazine @FuturePlc, author of Quantum Physics in Minutes (ow.ly/MMRz30braiv) & Haynes Manuals' Large Hadron Collider
Large Hadron Collider Manual (Hay...
Quantum Physics in Minutes
1 AU
spaceanswers.com
7 yrs, 2 mos on Twitter
Tweets: 2/day • 48% new, 16% replies, 27% retweets, 8% quotes
2,719 102 
175. profile imageRobert Massey
@RobertMMassey


Dad, diminutive, Deputy Executive Director @royalastrosoc, trustee @lightyear_fdn. RTs and likes not endorsements, views expressed my own. Instagram @massey2949
Bristol (Southville) & London
8 yrs, 11 mos on Twitter
Tweets: 2/day • 22% new, 35% replies, 28% retweets, 15% quotes
2,702 125 
176. 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, 1 mo on Twitter
Tweets: 8/day • 24% new, 41% replies, 27% retweets, 8% quotes
2,686 259 
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. Listen to CAT democratic claims
Barcelona
spmn.uji.es/ESP/trigo.html
Google Scholar page
6 yrs, 6 mos on Twitter
Tweets: 8/day • 6% new, 7% replies, 79% retweets, 8% quotes
2,680 134 
178. profile imageDr. John Barentine
@JohnBarentine


Dark sky warrior. Policy nerd. Astronomer. Historian. Vinyl junkie. Proud LGBT American. Questioning everything. Retiring to asteroid 14505. #scicomm #scipol
Uncharted Constellations
The Lost Constellations
Tucson, AZ, USA
johncbarentine.com
Google Scholar page
8 yrs, 3 mos on Twitter
Tweets: 11/day • 12% new, 23% replies, 47% retweets, 17% quotes
2,653 194 
179. profile imageDr. Jennifer L. Hoffman ✨
@astroprofhoff


Astronomer, associate professor, alto, auntie, ailurophile. University of Denver
Stellar Polimetry
Denver, CO
grammai.org/jhoffman/
4 yrs, 6 mos on Twitter
Tweets: 11/day • 6% new, 29% replies, 51% retweets, 14% quotes
2,635 130 
180. 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
8 yrs, 10 mos on Twitter
Tweets: 21/day • 36% new, 61% replies, 1% retweets, 3% quotes
2,623 201 
181. 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
3 yrs, 10 mos on Twitter
Tweets: 5/day • 60% new, 11% replies, 25% retweets, 4% quotes
2,620 52 
182. 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, 0 mos on Twitter
Tweets: 3/day • 22% new, 7% replies, 69% retweets, 2% quotes
2,610 162 
183. 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
5 yrs, 7 mos on Twitter
Tweets: 0.5/day • 30% new, 32% replies, 33% retweets, 5% quotes
2,582 108 
184. profile imageJani Radebaugh
@radjanirad


Planetary scientist, BYU geology professor, purposeful explorer, aimless wanderer
Provo, UT, USA
lpl.arizona.edu/~jani/photos
Google Scholar page
5 yrs, 3 mos on Twitter
Tweets: 1/day • 44% new, 43% replies, 7% retweets, 6% quotes
2,581 104 
185. profile imageEli Bressert
@astrobiased


Love big ideas and putting them into action by connecting the impossible. Heading data science at Convoy. SU mentor & author of the SciPy & Numpy book.
SciPy and NumPy
Seattle, WA
Google Scholar page
9 yrs, 8 mos on Twitter
Tweets: 2/day • 18% new, 14% replies, 65% retweets, 3% quotes
2,532 223 
186. 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, 3 mos on Twitter
Tweets: 2/day • 7% new, 15% replies, 70% retweets, 8% quotes
2,529 70 
187. profile imageBenjamin Pope
@fringetracker


Astronomer - he/him
Manhattan, NY
benjaminpope.github.io
Google Scholar page
5 yrs, 6 mos on Twitter
Tweets: 12/day • 6% new, 35% replies, 51% retweets, 9% quotes
2,454 87 
188. 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~)
The Planet Factory
Japan
about.me/elizabethtasker
6 yrs, 8 mos on Twitter
Tweets: 9/day • 42% new, 37% replies, 13% retweets, 8% quotes
2,440 128 
189. 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, 1 mo on Twitter
Tweets: 8/day • 16% new, 61% replies, 14% retweets, 9% quotes
2,429 85 
190. profile imageDr. Julie Rathbun🌋
@LokiVolcano


Planetary scientist studying volcanoes on Io (favorite is Loki). Pronouns: she/her.
5 yrs, 9 mos on Twitter
Tweets: 7/day • 6% new, 23% replies, 66% retweets, 4% quotes
2,405 112 
191. 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
8 yrs, 11 mos on Twitter
Tweets: 1/day • 40% new, 19% replies, 37% retweets, 3% quotes
2,394 118 
192. profile imageEd Rivera-Valentín
@PlanetTreky


Planetary Scientist w/ @USRAedu at @LPItoday. Trekker of Planets! Proud @PR_Planeteers & #TeamRadar! Tweets=Own. #Boricua #LatinxInSTEM #LGBTQinSTEM
Houston, TX
planettreky.com
5 yrs, 4 mos on Twitter
Tweets: 8/day • 44% new, 21% replies, 21% retweets, 15% quotes
2,368 108 
193. profile imageDan F-M
@exoplaneteer


I write code for good & astrophysics.
NYC
dfm.io
Google Scholar page
6 yrs, 11 mos on Twitter
Tweets: 1/day • 14% new, 75% replies, 7% retweets, 4% quotes
2,346 80 
194. 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, 3 mos on Twitter
Tweets: 4/day • 14% new, 0% replies, 85% retweets, 0% quotes
2,344 94 
195. 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
How Do You Find an Exoplanet? (Pr...
Cambridge, MA
mahalonottrash.blogspot.com/2015/05/i-am-o…
5 yrs, 5 mos on Twitter
Tweets: 3/day • 16% new, 18% replies, 59% retweets, 8% quotes
2,335 97 
196. profile imageBecky Smethurst
@becky1505


Astrophysicist researching how black holes affect galaxies. I present videos for @sixtysymbols | #astronomy | #physics | #scicomm | Enthusiasm reigns here!
Nottingham, UK
rebeccasmethurst.co.uk
9 yrs, 3 mos on Twitter
Tweets: 1/day • 16% new, 65% replies, 15% retweets, 4% quotes
2,333 90 
197. profile imageJason Kalirai
@JasonKalirai


Sikh-Canadian @NASA Astrophysicist & Project Scientist @STScI. Husband & father of 4-MMSJS. Fan of Hubble, JWST, WFIRST, LSST, Cowboys football. Tweets mine.
Highland, MD
jasonkalirai.com
7 yrs, 0 mos on Twitter
Tweets: 1/day • 62% new, 4% replies, 34% retweets, 1% quotes
2,301 85 
198. profile imageBrian Koberlein
@BrianKoberlein


I'm a farm boy who became an astrophysicist.
Astrophysics through Computation
Rochester NY
briankoberlein.com
7 yrs, 10 mos on Twitter
Tweets: 1/day • 61% new, 23% replies, 14% retweets, 2% quotes
2,286 166 
199. 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, 1 mo on Twitter
Tweets: 2/day • 14% new, 49% replies, 28% retweets, 8% quotes
2,281 106 
200. profile imageDerek Fox
@partialobs


Research astronomer and faculty member at Penn State University. This is a personal Twitter account.
Earth
astro.psu.edu/~dfox/
9 yrs, 4 mos on Twitter
Tweets: 4/day • 6% new, 10% replies, 81% retweets, 3% quotes
2,259 67 
201. 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
8 yrs, 4 mos on Twitter
Tweets: 5/day • 38% new, 38% replies, 12% retweets, 13% quotes
2,258 182 
202. profile image🦁 Leo C. Stein
@duetosymmetry


Postdoctoral researcher @Caltech. Black holes, gravitational waves, general relativity and beyond. Formerly @Cornell @MIT
Pasadena
duetosymmetry.com
Google Scholar page
9 yrs, 4 mos on Twitter
Tweets: 5/day • 10% new, 27% replies, 55% retweets, 8% quotes
2,249 76 
203. 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, 3 mos on Twitter
Tweets: 1/day • 25% new, 56% replies, 15% retweets, 4% quotes
2,217 119 
204. profile imageHannah Wakeford
@StellarPlanet


Giacconi Fellow @STScI/@AURADC , @exo_cast podcaster & @BSACDIVER | Previously @NASAGoddard Fellow & @UniofExeter PhD | Expressed opinions are mine
stellarplanet.org
6 yrs, 9 mos on Twitter
Tweets: 4/day • 74% new, 13% replies, 7% retweets, 6% quotes
2,210 149 
205. 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
9 yrs, 5 mos on Twitter
Tweets: 1/day • 42% new, 31% replies, 15% retweets, 12% quotes
2,190 136 
206. 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
10 yrs, 7 mos on Twitter
Tweets: 2/day • 22% new, 22% replies, 43% retweets, 13% quotes
2,185 157 
207. profile imageDr. Christina Richey
@PlanSciCRichey


Planetary Scientist/Astrophysicist, fighter 4 inclusion in STEM, love/hate relationship w/ workouts, wine drinker, making my mom proud; views are my own.
Los Angeles, CA
christinarichey.com
2 yrs, 10 mos on Twitter
Tweets: 6/day • 21% new, 22% replies, 55% retweets, 2% quotes
2,182 101 
208. profile imageStephen Serjeant
@StephenSerjeant


Astronomy Prof at the Open University, sometimes roped into OU/BBC stuff. 26.2mi=42.2km.Remainer. Likes often=bookmarks. Views here do not necessarily blah blah
An Introduction to Galaxies and C...
Observational Cosmology
127.0.0.1
stephenserjeant.wikispaces.com
Google Scholar page
9 yrs, 3 mos on Twitter
Tweets: 5/day • 15% new, 31% replies, 36% retweets, 18% quotes
2,179 158 
209. profile imageDr Liz MacDonald 🚀
@spaceyliz


Putting the ⚡ in 🌌 1 orbit at a time. The aurora is my muse. 🛰️ #citsci #scicomm #interdisciplinary #sciart @tweetaurora, space weather, poetry, ☕️ Views💯%mine
NASA Heliophysics, MD, mountains (preferably)
aurorasaurus.org
Google Scholar page
6 yrs, 8 mos on Twitter
Tweets: 3/day • 14% new, 21% replies, 55% retweets, 10% quotes
2,173 129 
210. profile imageDr Louisa Preston
@LouisaJPreston


Astrobiologist, planetary geologist. @spacegovuk Aurora Research Fellow, @TEDFellow & Author (on mat leave)
London
louisa-preston.com
Google Scholar page
6 yrs, 3 mos on Twitter
Tweets: 2/day • 38% new, 19% replies, 29% retweets, 12% quotes
2,165 122 
211. 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, 2 mos on Twitter
Tweets: 2/day • 36% new, 37% replies, 21% retweets, 4% quotes
2,160 75 
212. profile imageJames Davenport
@jradavenport


Astronomy PhD, [v/b]logger, casual data analyst, Seattleite. All opinions are my own.
jradavenport.github.io
Google Scholar page
6 yrs, 2 mos on Twitter
Tweets: 8/day • 12% new, 31% replies, 51% retweets, 6% quotes
2,158 154 
213. profile imageAdam Becker
@FreelanceAstro


Astrophysicist and author. My book on the quest for the meaning of quantum physics, WHAT IS REAL?, is out with @BasicBooks! whatisreal.freelanceastro.com
What Is Real?
Oakland, CA
freelanceastro.com
Google Scholar page
8 yrs, 2 mos on Twitter
Tweets: 0.8/day • 10% new, 63% replies, 23% retweets, 6% quotes
2,131 117 
214. profile imageDr Roberto Trotta
@R_Trotta


Astrophysicist @imperialcollege | #scicommer | author of edge-of-the-sky.com | @CLCCDirector | statistical consultant | runner | #FBPE | Opinions my own.
The Edge of the Sky
London
robertotrotta.com
4 yrs, 5 mos on Twitter
Tweets: 7/day • 26% new, 43% replies, 27% retweets, 4% quotes
2,127 131 
215. profile image✨ Emily Levesque 🏳️‍🌈
@emsque


Astronomer, writer, bizarre star enthusiast, telescope story collector. || The real exciting sound in science is not 'Eureka!', it's 'huh, that's weird...'
Understanding Stellar Evolution (...
Astrophysics of Red Supergiants (...
Seattle, WA
emlevesque.com
8 yrs, 5 mos on Twitter
Tweets: 0.8/day • 26% new, 49% replies, 17% retweets, 9% quotes
2,122 53 
216. 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
10 yrs, 3 mos on Twitter
Tweets: 0.7/day • 44% new, 13% replies, 43% retweets, 0% quotes
2,078 121 
217. profile imageElisabeth Newton
@EllieInSpace


NSF postdoc and stellar physicist @MIT with a passion for education and #scicomm. Also a climber, baker, crafter & @astrobites co-founder.
Cambridge, MA.
mit.edu/~ernewton
7 yrs, 1 mo on Twitter
Tweets: 1.0/day • 24% new, 38% replies, 37% retweets, 2% quotes
2,046 105 
218. profile imageJamie Molaro
@spacejammie


Planetary scientist. Feminist. Humanist (the actual kind, not the sexist kind). Artist. Probably some other -ists. I make science at NASA/JPL and PSI. [she/her]
Altadena, CA
jmolaro.com
Google Scholar page
10 yrs, 5 mos on Twitter
Tweets: 4/day • 18% new, 29% replies, 45% retweets, 7% quotes
2,041 91 
219. 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, 1 mo on Twitter
Tweets: 4/day • 22% new, 39% replies, 35% retweets, 4% quotes
2,030 86 
220. 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/
Astronomical Measurement
Auld Reekie
roe.ac.uk/~al
8 yrs, 3 mos on Twitter
Tweets: 2/day • 34% new, 25% replies, 15% retweets, 28% quotes
2,028 111 
221. 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, 2 mos on Twitter
Tweets: 2/day • 29% new, 34% replies, 21% retweets, 17% quotes
2,024 102 
222. 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
6 yrs, 5 mos on Twitter
Tweets: 1/day • 30% new, 27% replies, 37% retweets, 7% quotes
2,014 77 
223. profile imageJo Dunkley
@j_dunkley


Professor of Physics and Astrophysics at Princeton
Our Universe
Princeton, NJ
physics.princeton.edu/~jdunkley
Google Scholar page
6 yrs, 9 mos on Twitter
Tweets: 0.2/day • 19% new, 22% replies, 41% retweets, 18% quotes
2,013 95 
224. profile imageGrant Tremblay
@astrogrant


Astrophysicist at the Harvard-Smithsonian Center for Astrophysics. Previously a @NASA Einstein Fellow @Yale, Fellow @ESO, and SDAS regular @STScI. Views my own.
Cambridge, MA
granttremblay.com
Google Scholar page
9 yrs, 4 mos on Twitter
Tweets: 2/day • 18% new, 28% replies, 46% retweets, 8% quotes
1,948 74 
225. 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
8 yrs, 5 mos on Twitter
Tweets: 1/day • 28% new, 9% replies, 59% retweets, 4% quotes
1,945 131 
226. profile imageTamara Davis
@tamarastro


Astro-frisbeer. Enjoying the Universe's playground.
Brisbane
smp.uq.edu.au/people/TamaraD…
9 yrs, 8 mos on Twitter
Tweets: 0.2/day • 41% new, 25% replies, 25% retweets, 9% quotes
1,943 69 
227. profile imageInfinite Mangoes
@InvaderXan


☀️ solarpunk 🌍 冒険者 ⭐️ astrophysicist ♻️ CO₂ wrangler 📖 écrivain 📚 積ん読 🌔 rêveur 🌶 chaotic good 💚 anti-nihilist
Earth
supernovacondensate.net
9 yrs, 3 mos on Twitter
Tweets: 12/day • 4% new, 76% replies, 11% retweets, 8% quotes
1,940 194 
228. profile imagePhil Diamond
@SKA_DG


SKA Director General; husband, father, dedicated Manchester United fan
SKA HQ. Jodrell Bank
9 yrs, 0 mos on Twitter
Tweets: 0.6/day • 10% new, 25% replies, 38% retweets, 28% quotes
1,936 111 
229. profile imageEmma Chapman
@DrEOChapman


Royal Astronomical Society Fellow at Imperial College London. @1752Group member, gamer, mum, book devourer.
London, England
dremmachapman.wordpress.com
Google Scholar page
1 yr, 9 mos on Twitter
Tweets: 3/day • 19% new, 37% replies, 30% retweets, 14% quotes
1,932 23 
230. profile imageDr. Jillian Scudder
@Jillian_Scudder


PhD in astrophysics. Assistant professor at @oberlincollege! I study galaxies & write @astroquizzical. I wrote a book!
jillianscudder.com
Google Scholar page
5 yrs, 11 mos on Twitter
Tweets: 5/day • 28% new, 47% replies, 17% retweets, 9% quotes
1,889 120 
231. profile imageAmanda Yoho
@mandaYoho


Data Scientist, Cosmologist, former NASA Earth & Space Science fellow. Tweets most likely to be about space, beer, or python.
Cleveland, Ohio
6 yrs, 1 mo on Twitter
Tweets: 6/day • 6% new, 21% replies, 56% retweets, 16% quotes
1,861 139 
232. profile imageJohanna
@johannateske


Astronomer, runner, educator, feminist, vegan, baker, #Nats fan
Pasadena, CA
johannateske.virb.com
Google Scholar page
4 yrs, 6 mos on Twitter
Tweets: 11/day • 12% new, 24% replies, 49% retweets, 16% quotes
1,858 109 
233. profile imageChristopher Berry
@cplberry


Astrophysicist researching #GravitationalWaves (@LIGO). Tweeting about science, education, LEGO and cake. May contain traces of nuts
Birmingham, England
cplberry.com
Google Scholar page
4 yrs, 3 mos on Twitter
Tweets: 5/day • 7% new, 65% replies, 17% retweets, 11% quotes
1,855 93 
234. profile imageAshley Pagnotta 🌟
@ashpags


Astronomer, Knitter, Fangirl, Tex-Pat. Currently at @CofC. Previously at @AMNH, @LSU, and @TAMU. This is my personal Twitter. 👻 = ashleypagnotta
Charleston, SC
about.me/ashley.pagnotta
9 yrs, 11 mos on Twitter
Tweets: 22/day • 2% new, 97% replies, 0% retweets, 1% quotes
1,852 94 
235. profile imageProfe Jorge Moreno, PhD
@astroboy_moreno


NSF-Funded Theoretical Astrophysicist | Visiting Scholar at Harvard | AAS CSMA Chair | Assistant Professor at Pomona College | de-Indigenized “Latinx” | QPOC
Claremont, CA
jmorenosoto.wix.com/astroboy-moreno
3 yrs, 11 mos on Twitter
Tweets: 2/day • 40% new, 11% replies, 16% retweets, 32% quotes
1,849 43 
236. profile imageRachana Bhatawdekar
@AstroRach


PhD astronomer @UniofNottingham. I find and study the faintest and most distant galaxies in the Universe with #FrontierFields. Badminton player, Salsa dancer.
Earth, Orion Arm, MW, Laniakea
nottingham.ac.uk/~ppxrb2/
8 yrs, 8 mos on Twitter
Tweets: 3/day • 20% new, 30% replies, 41% retweets, 8% quotes
1,848 126 
237. 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.
Brown Dwarf Variability
Mountain View, California
google.com/profiles/Mark.…
Google Scholar page
7 yrs, 11 mos on Twitter
Tweets: 3/day • 20% new, 41% replies, 29% retweets, 9% quotes
1,836 93 
238. profile imageAnthony Rushton
@Astronomer


Scientist, Researcher and Technology Enthusiast. I love #Space, #Drones, #AI, #Blockchain and being a father to three wonderful girls.
Otterbourne, England
arushton.github.io
11 yrs, 1 mo on Twitter
Tweets: 0.8/day • 38% new, 28% replies, 31% retweets, 3% quotes
1,829 162 
239. profile imageGeraint F. Lewis
@Cosmic_Horizons


Cosmologist, Galactic Archaeologist. Dragged kicking and screaming on to social media. Author of @AFortunateUni with @lukebarnesastro.
A Fortunate Universe
Dark Matter in Astroparticle and ...
Sydney
cosmic-horizons.blogspot.com
Google Scholar page
4 yrs, 5 mos on Twitter
Tweets: 7/day • 16% new, 76% replies, 8% retweets, 0% quotes
1,828 70 
240. profile imageEric Mamajek
@EricMamajek


astronomer, dad, reader of stellar tea leaves, searcher of extrasolar needles in haystacks. My tweets are my own.
Pasadena, CA
Google Scholar page
7 yrs, 5 mos on Twitter
Tweets: 2/day • 7% new, 3% replies, 84% retweets, 6% quotes
1,823 57 
241. 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 / Belin,Germany / Madrid, Spain / Granada,Spain
pmisson.blogspot.com
Google Scholar page
8 yrs, 2 mos on Twitter
Tweets: 3/day • 7% new, 56% replies, 35% retweets, 2% quotes
1,817 114 
242. profile imageAlan Fitzsimmons
@FitzsimmonsAlan


Astronomer @astroqub and banoffee pie maker. Comets, asteroids & weird interstellar objects are my thing. Views, opinions and occasional profanity all my own.
Belfast, Northern Ireland
alanfitzsimmons.wordpress.com
6 yrs, 6 mos on Twitter
Tweets: 2/day • 32% new, 29% replies, 36% retweets, 2% quotes
1,812 75 
243. profile imageDawn Sumner
@sumnerd


curious geologist and professor of Earth and Planetary Sciences UCDavis
here but going there
mygeologypage.ucdavis.edu/sumner
Google Scholar page
10 yrs, 0 mos on Twitter
Tweets: 2/day • 31% new, 29% replies, 27% retweets, 13% quotes
1,792 157 
244. 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, 0 mos on Twitter
Tweets: 1/day • 35% new, 47% replies, 7% retweets, 12% quotes
1,745 73 
245. profile imageJoss Bland-Hawthorn
@JossBlandHawtho


All things novel, astrophysical, mathematical, technological.
The Origin of the Galaxy and Loca...
The Galaxy Disk in Cosmological C...
Sydney, Australia
physics.usyd.edu.au/~jbh/
Google Scholar page
4 yrs, 1 mo on Twitter
Tweets: 6/day • 22% new, 23% replies, 35% retweets, 20% quotes
1,732 65 
246. profile imageRay Jayawardhana
@DrRayJay


Astronomer, Explorer, Writer, Speaker. Author of 'Strange New Worlds' and 'Neutrino Hunters'
Neutrino Hunters
Strange New Worlds
Young Stars Near Earth
rayjay.net
7 yrs, 4 mos on Twitter
Tweets: 0.9/day • 26% new, 1% replies, 68% retweets, 5% quotes
1,719 99 
247. profile imageGabe Perez-Giz
@fizziksgabe


5 yrs, 3 mos on Twitter
Tweets: 0.2/day • 4% new, 69% replies, 5% retweets, 22% quotes
1,716 26 
248. profile imageAndrew Jaffe
@defjaf


Astrophysics, cosmology and more
Bayesian Methods in Cosmology
London
andrewjaffe.net/blog
11 yrs, 4 mos on Twitter
Tweets: 0.8/day • 50% new, 17% replies, 29% retweets, 2% quotes
1,697 119 
249. profile imageAdam Burgasser
@browndwarfs


astrophysicist, professor, and preferably in the water.
on a plane, or San Diego
pono.ucsd.edu/~adam
Google Scholar page
7 yrs, 11 mos on Twitter
Tweets: 0.7/day • 52% new, 17% replies, 29% retweets, 2% quotes
1,693 54 
250. 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, 0 mos on Twitter
Tweets: 18/day • 14% new, 38% replies, 37% retweets, 10% quotes
1,666 109 
251. profile imageCarole Mundell
@CGMundell


Professor of Extragalactic Astronomy & Head of Physics; views my own. RT not endorsements etc
University of Bath, UK
bath.ac.uk
8 yrs, 2 mos on Twitter
Tweets: 3/day • 28% new, 9% replies, 45% retweets, 18% quotes
1,643 104 
252. profile imageEmma Osborne 💫
@Emmanigma


Astrophysicist and multi-award winning science communicator. Creator of The Extraordinary Universe youtube.com/c/TheExtraordi…
Southampton, England
emmalouiseosborne.com
5 yrs, 4 mos on Twitter
Tweets: 0.6/day • 13% new, 25% replies, 58% retweets, 4% quotes
1,633 52 
253. profile image(((Dr. Nicole)))
@jazztronomy


STEM Inclusion Consultant | Astronomy PhD and STEM equity advocate | #LatinaInSTEM | I have the best ideas.
Catlanta
3 yrs, 9 mos on Twitter
Tweets: 3/day • 7% new, 30% replies, 54% retweets, 9% quotes
1,607 85 
254. profile imageAdrian Price-Whelan
@adrianprw


astrophysics postdoc @ Princeton, galaxy dynamics, binary stars, music github.com/adrn
???
adrian.pw
Google Scholar page
7 yrs, 1 mo on Twitter
Tweets: 2/day • 18% new, 54% replies, 23% retweets, 6% quotes
1,605 59 
255. 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
9 yrs, 5 mos on Twitter
Tweets: 1/day • 4% new, 25% replies, 57% retweets, 14% quotes
1,602 42 
256. profile imageDr Jonathan 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
7 yrs, 6 mos on Twitter
Tweets: 4/day • 28% new, 36% replies, 27% retweets, 9% quotes
1,595 78 
257. profile imageBenneHolwerda
@BenneHolwerda


Astronomer at large (mostly harmless). University of Louisville. Opinions & typos obv my own.
Louisville, KY
Google Scholar page
10 yrs, 0 mos on Twitter
Tweets: 5/day • 10% new, 50% replies, 28% retweets, 12% quotes
1,587 68 
258. profile imageCaroline Morley
@AstroCaroline


Cloud Ninja, Sagan Fellow at Harvard, modeler of substellar atmospheres
Cambridge, MA
carolinemorley.com
5 yrs, 9 mos on Twitter
Tweets: 0.2/day • 32% new, 45% replies, 17% retweets, 6% quotes
1,573 60 
259. profile imageRob Thacker
@DrRob_Thacker


President, Canadian Astron. Society. Director, @SMUHalifax Science Outreach Centre & astrophysics prof. Co-host of Sound of Science, CBCNS Radio 1. Space geek.
Halifax, Canada
ap.smu.ca/~thacker
8 yrs, 4 mos on Twitter
Tweets: 6/day • 24% new, 56% replies, 17% retweets, 3% quotes
1,565 118 
260. profile imageChris Impey
@ImpeyChris


Unreconstructed Scot, Astronomer, Writer, Dad, Victim of the Big Bang, Novice of Time and Space
Einstein's Monsters
Dreams of Other Worlds
Beyond: Our Future in Space
Tucson, Arizona, USA
chrisimpey.com
5 yrs, 4 mos on Twitter
Tweets: 1/day • 100% new, 0% replies, 1% retweets, 0% quotes
1,563 70 
261. 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
7 yrs, 6 mos on Twitter
Tweets: 15/day • 9% new, 9% replies, 82% retweets, 1% quotes
1,525 117 
262. 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
8 yrs, 11 mos on Twitter
Tweets: 3/day • 26% new, 43% replies, 19% retweets, 12% quotes
1,519 91 
263. 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, 1 mo on Twitter
Tweets: 3/day • 56% new, 25% replies, 17% retweets, 2% quotes
1,515 60 
264. profile imageJaime Zamorano
@cefalopodo


Physicist (Astrophysics) at UCM @unicomplutense Another amateur photographer. guaix.fis.ucm.es/splpr/SQM-REECL @stars4all_eu #LightPollution
Highlights of Spanish Astrophysic...
Highlights of Spanish Astrophysic...
Highlights of Spanish Astrophysic...
Madrid (Spain)
stars4all.eu
Google Scholar page
11 yrs, 3 mos on Twitter
Tweets: 4/day • 16% new, 12% replies, 71% retweets, 2% quotes
1,508 97 
265. 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, 2 mos on Twitter
Tweets: 0.9/day • 46% new, 35% replies, 15% retweets, 4% quotes
1,507 73 
266. profile imageDr. Abbie 🌠
@abigailStev


Scientist 👩🏻‍💻 intersectional feminist 🌈✊ postdoc @msu_astro 🔭 pythoner 🐍 @uva_api/@ualberta/@bardcollege alum 🎓 tea enthusiast ☕️ she/her ♀
Anishinaabe/Odawa land
abigailstevens.com
7 yrs, 5 mos on Twitter
Tweets: 6/day • 6% new, 39% replies, 45% retweets, 10% quotes
1,483 64 
267. profile imageRuth Angus
@ruthangus


Researching exoplanets & rebugging in python.
Oxford, UK
ruthang.us
7 yrs, 2 mos on Twitter
Tweets: 0.3/day • 41% new, 50% replies, 8% retweets, 1% quotes
1,460 63 
268. profile imageGianfranco Bertone
@gfbertone


Astroparticle Physicist. Spokesperson @GRAPPAInstitute. Author ‘Behind the Scenes of the Universe’ https://t.co/woz6Z9TomX, 'Dark Matter' app https://t.co/4i919iB7Qy
Behind the Scenes of the Universe
Particle Dark Matter
Amsterdam, NL
gianfrancobertone.net
Google Scholar page
6 yrs, 5 mos on Twitter
Tweets: 0.7/day • 38% new, 29% replies, 13% retweets, 20% quotes
1,450 75 
269. profile imageDr. M. Mechtley☕️💻
@biphenyl


♀︎ Dot Product Enthusiast • Unity/C# Game Dev • PhD Astrophysics • Formerly: Quasar Astronomy/Data Science, Blurst, PowerGlove innovator DMs open
A mote of dust in a sunbeam
biphenyl.org
10 yrs, 6 mos on Twitter
Tweets: 4/day • 19% new, 14% replies, 56% retweets, 12% quotes
1,415 107 
270. 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
8 yrs, 6 mos on Twitter
Tweets: 16/day • 18% new, 18% replies, 51% retweets, 14% quotes
1,413 70 
271. profile imageSimon O'Toole
@drsimmo


Astronomer, science communicator, manager of information, football nut, foodie, dad. Opinions posted are my own.
Sydney
iwouldntnormallycall.wordpress.com
Google Scholar page
9 yrs, 6 mos on Twitter
Tweets: 3/day • 11% new, 40% replies, 33% retweets, 16% quotes
1,384 80 
272. profile imageJohan Richard
@novaric


Astronome: Distant galaxies, Instrumentation, Outreach. Twits en Français and in English.
Lyon
cral.univ-lyon1.fr/labo/perso/joh…
Google Scholar page
9 yrs, 5 mos on Twitter
Tweets: 0.4/day • 8% new, 25% replies, 61% retweets, 5% quotes
1,377 34 
273. profile imageCourtney Dressing
@AstroDressing


I'm an astronomer looking for potentially Earth-like planets around nearby stars.
Pasadena, CA
gps.caltech.edu/~dressing
3 yrs, 7 mos on Twitter
Tweets: 0.1/day • 37% new, 31% replies, 29% retweets, 3% quotes
1,375 40 
274. profile imageCéline Bœhm
@CelineBoehm1


University Professor. Astroparticle Physics, Cosmology & space missions. Dark matter detective somehow. RT no endorsement. Personal account.
Sydney, New South Wales
4 yrs, 3 mos on Twitter
Tweets: 1/day • 4% new, 9% replies, 85% retweets, 3% quotes
1,372 42 
275. profile imageKevork N. Abazajian
@kevaba


Cosmologist & Professor at the University of California, Irvine. Candidate for Irvine City Council. Opinions are my own.
Irvine, CA
kevforcouncil.com
Google Scholar page
7 yrs, 1 mo on Twitter
Tweets: 4/day • 22% new, 5% replies, 71% retweets, 1% quotes
1,365 58 
276. profile imageKevin Peter Hand
@Alienoceans


Highland Park, Los Angeles
5 yrs, 6 mos on Twitter
Tweets: 0.1/day • 32% new, 27% replies, 29% retweets, 12% quotes
1,363 52 
277. 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
8 yrs, 5 mos on Twitter
Tweets: 5/day • 18% new, 67% replies, 13% retweets, 2% quotes
1,356 65 
278. profile imageLauren Weiss
@LaurenMWeiss


PhD, astronomer, exoplaneteer, astroboffin, exoplanet blogger rockyworlds.wordpress.com, Trottier Fellow at the Institute for Research on Exoplanets.
Montréal, Québec
astro.berkeley.edu/~lweiss
Google Scholar page
6 yrs, 3 mos on Twitter
Tweets: 0.6/day • 33% new, 32% replies, 24% retweets, 11% quotes
1,352 46 
279. profile imageTyler Nordgren
@NightSkyPark


Astronomer, Artist, Night Sky Ambassador to America's National Parks
Sun Moon Earth
Night Sky: A Guide to Our Galaxy
Stars Above, Earth Below
Ithaca, NY
tylernordgren.com
5 yrs, 4 mos on Twitter
Tweets: 0.6/day • 27% new, 39% replies, 31% retweets, 3% quotes
1,340 62 
280. 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
4 yrs, 4 mos on Twitter
Tweets: 3/day • 29% new, 10% replies, 45% retweets, 16% quotes
1,334 84 
281. 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
4 yrs, 11 mos on Twitter
Tweets: 0.5/day • 34% new, 23% replies, 39% retweets, 4% quotes
1,334 36 
282. profile imageRamin Skibba
@raminskibba


freelance journalist & science writer; not afraid of politics; former astrophysicist; lover of space & nerdy stuff, also the Muppets
San Diego, CA
raminskibba.net
4 yrs, 7 mos on Twitter
Tweets: 5/day • 48% new, 21% replies, 5% retweets, 26% quotes
1,332 101 
283. profile imageMatthew Kenworthy
@mattkenworthy


Associate Professor of Astronomy at Leiden Observatory - looking for exoplanets and giant rings, and develops instrumentation to find them. Opinions are my own.
Leiden, The Netherlands
kenworthy.space
Google Scholar page
7 yrs, 9 mos on Twitter
Tweets: 2/day • 20% new, 59% replies, 4% retweets, 18% quotes
1,328 47 
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, 1 mo on Twitter
Tweets: 0.9/day • 64% new, 30% replies, 5% retweets, 1% quotes
1,324 46 
285. profile imageTimothy 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, 2 mos on Twitter
Tweets: 2/day • 24% new, 15% replies, 37% retweets, 24% quotes
1,321 62 
286. 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, 2 mos on Twitter
Tweets: 4/day • 32% new, 35% replies, 31% retweets, 0% quotes
1,315 67 
287. profile imageJim Wild
@jim_wild


Professor of space physics at Lancaster University. Novice ultra-distance and fell-runner and a fan of curry. Views expressed are my own.
Lancashire
jwild.co.uk
8 yrs, 7 mos on Twitter
Tweets: 2/day • 26% new, 29% replies, 27% retweets, 18% quotes
1,313 52 
288. 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, 2 mos on Twitter
Tweets: 0.2/day • 47% new, 33% replies, 17% retweets, 4% quotes
1,313 116 
289. 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
7 yrs, 9 mos on Twitter
Tweets: 3/day • 16% new, 17% replies, 50% retweets, 16% quotes
1,313 83 
290. 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
1 yr, 9 mos on Twitter
Tweets: 7/day • 7% new, 73% replies, 15% retweets, 4% quotes
1,309 31 
291. profile imageKevin Grazier
@kevingrazier


Planetary Scientist. West Point CS Prof. Science advisor on Gravity, BSG, Pirates 5, EUReKA. Co-author of Hollyweird Science books. Packer Backer. Rodentophile.
Hollyweird Science
Hollyweird Science
Hollywood Chemistry
Earth
linkedin.com/profile/view?i…
5 yrs, 0 mos on Twitter
Tweets: 2/day • 47% new, 27% replies, 25% retweets, 2% quotes
1,294 77 
292. profile imageLiz B ☆
@astro_Liz


Multiwavelength X-ray/Optical Astronomer at @ESO. Bleeding heart liberal & intersectional feminist. All views my own. Ⓥ #ActualLivingScientist #ImmodestWoman
Santiago, Chile
Google Scholar page
6 yrs, 4 mos on Twitter
Tweets: 7/day • 20% new, 61% replies, 1% retweets, 18% quotes
1,293 53 
293. profile imagePaul A. Wilson
@Paul_A_Wilson


Observational Astronomer working on Exoplanet Atmospheres and ExoComets 🔭 Tweets in Norwegian: @astroforsker
Leiden
paulanthonywilson.com
9 yrs, 3 mos on Twitter
Tweets: 0.7/day • 36% new, 41% replies, 15% retweets, 8% quotes
1,280 72 
294. profile imageCaitlin Casey
@astrocaits


Astronomer and Assistant Professor at the University of Texas at Austin.
Austin, TX
as.utexas.edu/~cmcasey
4 yrs, 5 mos on Twitter
Tweets: 0.3/day • 49% new, 18% replies, 33% retweets, 0% quotes
1,267 49 
295. profile imageProf Sarah Bridle
@sarahbridle


Astrophysicist at the University of Manchester working on gravitational lensing and food
Manchester
sarahbridle.net
8 yrs, 2 mos on Twitter
Tweets: 0.3/day • 32% new, 3% replies, 56% retweets, 10% quotes
1,266 62 
296. 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, 2 mos on Twitter
Tweets: 1/day • 22% new, 45% replies, 28% retweets, 5% quotes
1,257 50 
297. 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…
7 yrs, 11 mos on Twitter
Tweets: 3/day • 33% new, 37% replies, 23% retweets, 6% quotes
1,251 86 
298. 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…
9 yrs, 4 mos on Twitter
Tweets: 0.7/day • 72% new, 15% replies, 3% retweets, 9% quotes
1,250 51 
299. 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, 3 mos on Twitter
Tweets: 23/day • 7% new, 81% replies, 11% retweets, 2% quotes
1,245 62 
300. profile imageAll the stars are closer
@iamstarnord


AI in the Sky. #AstroAI Cosmology. #blackandstem #EthicsInAI #ThisIsBlackLight deepskieslab.com My opinions only. he/him/his
thematrix
iamstarnord.com
8 yrs, 1 mo on Twitter
Tweets: 3/day • 4% new, 24% replies, 66% retweets, 6% quotes
1,240 59 
301. profile imageDr. Kimberly Cartier
@AstroKimCartier


Astronomy & Astrophyiscs PhD, science communicator, writer & production team for @AGU_Eos. Tweets are mine. eos.org/author/k-m-s-c…
Washington, DC
kimberlycartier.org
3 yrs, 0 mos on Twitter
Tweets: 1/day • 23% new, 16% replies, 51% retweets, 10% quotes
1,230 60 
302. 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.
Cosmic Perspective, The (5th Edit...
Michigan
pa.msu.edu/~donahue
Google Scholar page
9 yrs, 10 mos on Twitter
Tweets: 0.4/day • 12% new, 69% replies, 8% retweets, 11% quotes
1,223 69 
303. 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, 0 mos on Twitter
Tweets: 1/day • 64% new, 9% replies, 25% retweets, 2% quotes
1,217 37 
304. profile imageSudeep Das
@datamusing


Astrophysicist. Machine Learning Expert. Artist. Storyteller. AI @ Netflix
San Francisco
sudeep-das.com
Google Scholar page
5 yrs, 1 mo on Twitter
Tweets: 0.9/day • 38% new, 8% replies, 54% retweets, 1% quotes
1,211 107 
305. 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
4 yrs, 6 mos on Twitter
Tweets: 1/day • 36% new, 21% replies, 29% retweets, 12% quotes
1,201 58 
306. 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
3 yrs, 8 mos on Twitter
Tweets: 11/day • 10% new, 30% replies, 48% retweets, 12% quotes
1,191 102 
307. 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
9 yrs, 5 mos on Twitter
Tweets: 4/day • 8% new, 65% replies, 17% retweets, 11% quotes
1,185 44 
308. profile imageNaomi McC-G
@naomimcgriff


Mother, Astrophysics Prof at #ANU, Runner, Cook. From Portland, Oregon. Now also Australian. Opinions my own.
Canberra, Australia
mso.anu.edu.au/~naomi/
Google Scholar page
6 yrs, 4 mos on Twitter
Tweets: 1/day • 48% new, 36% replies, 5% retweets, 10% quotes
1,166 38 
309. profile imageDouglas P Finkbeiner
@DPFink


Astronomer and Physicist
Harvard University
nebel.rc.fas.harvard.edu/dfink/
5 yrs, 11 mos on Twitter
Tweets: 0.1/day • 59% new, 28% replies, 12% retweets, 1% quotes
1,163 49 
310. profile imageAndrew Rushby
@andrewrushby


Postdoctoral astrobiologist & exoplaneteer at @NASAAmes & @nexssinfo. Co-host of @exo_cast. ♠️💜 https://t.co/Ocq8StHu3X
Mountain View, CA
bit.ly/andrewrushby
Google Scholar page
8 yrs, 3 mos on Twitter
Tweets: 1/day • 11% new, 77% replies, 5% retweets, 6% quotes
1,160 70 
311. profile imageJana Grcevich
@janagrc


Co-author of Vacation Guide to the Solar System, data scientist, PhD in astronomy, curious person.
Vacation Guide to the Solar Syste...
NYC
amazon.com/gp/aw/d/014312…
Google Scholar page
10 yrs, 3 mos on Twitter
Tweets: 0.5/day • 14% new, 43% replies, 29% retweets, 14% quotes
1,158 31 
312. profile imageMaximiliano Isi
@maxisi


Physics doctoral candidate at @Caltech, part of the @LIGO Lab Astrophysics Group. (Tweets English & Español)
Pasadena, CA
maxisi.me
Google Scholar page
8 yrs, 11 mos on Twitter
Tweets: 0.4/day • 6% new, 17% replies, 71% retweets, 6% quotes
1,156 17 
313. profile imageDr. Caryl Gronwall
@carylgronwall


Astronomer at Penn State University
State College, PA
astro.psu.edu/~caryl
Google Scholar page
7 yrs, 4 mos on Twitter
Tweets: 0.7/day • 39% new, 29% replies, 15% retweets, 18% quotes
1,153 42 
314. 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
8 yrs, 4 mos on Twitter
Tweets: 0.4/day • 36% new, 27% replies, 19% retweets, 18% quotes
1,139 89 
315. profile imageJohn O'Meara
@astronomeara


Father, Astronomer, teacher, science policy nerd, VT craft beer fan. Cosmic Origins Science Lead for #LUVOIR Member AAAC, Vice Chair COPAG EC. Tweets are my own
Essex Junction, Vermont
Google Scholar page
8 yrs, 10 mos on Twitter
Tweets: 3/day • 19% new, 57% replies, 20% retweets, 4% quotes
1,135 64 
316. 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, 1 mo on Twitter
Tweets: 0.9/day • 68% new, 9% replies, 23% retweets, 1% quotes
1,133 164 
317. profile imageDr. Sara Walker
@Sara_Imari


astrobiologist and theoretical physicist
Arizona, USA
emergence.asu.edu
Google Scholar page
7 yrs, 6 mos on Twitter
Tweets: 0.3/day • 10% new, 17% replies, 66% retweets, 6% quotes
1,132 68 
318. 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
10 yrs, 5 mos on Twitter
Tweets: 1/day • 15% new, 36% replies, 47% retweets, 2% quotes
1,127 96 
319. 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, 3 mos on Twitter
Tweets: 2/day • 41% new, 27% replies, 23% retweets, 9% quotes
1,127 64 
320. 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
10 yrs, 4 mos on Twitter
Tweets: 3/day • 53% new, 24% replies, 12% retweets, 11% quotes
1,126 32 
321. profile imageLawrence Bilton
@Lawrious


27. Geek. @UniofHull Astro PhD student. Casual Physics/Astro tweeting. Cepheid Variables are my standard candles. Jovial about life, serious about Astronomy.
Hull, England
observationalastronomer.com
9 yrs, 3 mos on Twitter
Tweets: 7/day • 23% new, 47% replies, 20% retweets, 10% quotes
1,122 50 
322. profile imageSarah Pearson
@spacewsarah


•PhD in astrophysics from @Columbia U. •Galactic dynamics, stellar streams. 🚀•Creator/host of Space with Sarah @YouTube
New York City/Copenhagen
drsarahpearson.com
Google Scholar page
2 yrs, 0 mos on Twitter
Tweets: 0.6/day • 34% new, 23% replies, 31% retweets, 12% quotes
1,119 28 
323. profile imageFeryal Ozel
@feryal_ozel


Astrophysicist, Conscientious Citizen, World Traveler
Google Scholar page
1 yr, 5 mos on Twitter
Tweets: 0.1/day • 61% new, 9% replies, 17% retweets, 13% quotes
1,117 13 
324. 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, 3 mos on Twitter
Tweets: 5/day • 5% new, 85% replies, 5% retweets, 6% quotes
1,109 97 
325. profile imageDr Pauline Barmby
@PBarmby


Assoc prof & galaxy-observing astrophysicist @westernuphysast, recombobulating former academic admin @westernuScience, yarn & SF aficionada, runner.
London, Ontario, Canada
pbarmby.github.io
Google Scholar page
6 yrs, 8 mos on Twitter
Tweets: 4/day • 44% new, 31% replies, 23% retweets, 2% quotes
1,104 99 
326. profile imageM. 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
7 yrs, 7 mos on Twitter
Tweets: 0.4/day • 58% new, 8% replies, 30% retweets, 4% quotes
1,090 37 
327. profile imageFiona H. Panther 🔭
@FiPanther


Gamma rays, particles, explosions in space of varying sizes and inverse problems. Runs on coffee (& GPUs). Your subgrid model is bad and you should feel bad
Canberra, Z=0
auntiematter.space
Google Scholar page
8 yrs, 10 mos on Twitter
Tweets: 2/day • 24% new, 51% replies, 8% retweets, 16% quotes
1,083 54 
328. profile imageLuigi Foschini
@LFoschini


Astrofisico presso l'Osservatorio Astronomico di Brera dell'Istituto Nazionale di Astrofisica (INAF) & Runner con la Polisportiva Libertas Cernuschese (PLC).
Imbersago, Lombardia
brera.inaf.it/utenti/foschin…
Google Scholar page
6 yrs, 5 mos on Twitter
Tweets: 0.4/day • 37% new, 59% replies, 3% retweets, 1% quotes
1,078 23 
329. profile imagePedro G Ferreira
@PedroTGFerreira


Cosmologist at the University of Oxford. Author of The Perfect Theory.
The Perfect Theory
Oxford
pedroferreira.co.uk
4 yrs, 11 mos on Twitter
Tweets: 0.2/day • 23% new, 7% replies, 70% retweets, 0% quotes
1,073 47 
330. profile imageDustin Lang
@dstndstn


Astronomer at @DunlapInstitute / UToronto. Farm-raised left-handed vegetarian Canadian socialist. Tweets often astronomical/computational/scatological. he/Dr
Waterloo, Canada
dstn.astrometry.net
4 yrs, 6 mos on Twitter
Tweets: 2/day • 25% new, 63% replies, 9% retweets, 2% quotes
1,073 24 
331. profile imageMatthew Colless
@MatthewColless


Director of the Research School of Astronomy and Astrophysics at the Australian National University
The New Cosmology
Canberra, Australia
rsaa.anu.edu.au/people/matthew…
Google Scholar page
8 yrs, 10 mos on Twitter
Tweets: 0.6/day • 31% new, 13% replies, 53% retweets, 2% quotes
1,072 43 
332. profile imageLynn Carter
@lynn_carter8


Associate Prof. at U. of Arizona Dept. of Planetary Science researching Venus, Mars, the Moon, Europa, and sometimes asteroids. #teamradar
Silver Spring, MD
Google Scholar page
6 yrs, 0 mos on Twitter
Tweets: 3/day • 48% new, 32% replies, 12% retweets, 8% quotes
1,071 58 
333. profile imageWill Kinney
@WKCosmo


Cosmologist, dirtbag mountain biker, expat Montanan. Professor of Physics at SUNY Buffalo. Personal Twitter account.
Buffalo, NY
acsu.buffalo.edu/~whkinney/inde…
Google Scholar page
1 yr, 5 mos on Twitter
Tweets: 12/day • 10% new, 63% replies, 13% retweets, 14% quotes
1,059 24 
334. profile imageWilliam Keel
@NGC3314


Astronomer, galaxy observer, trombonist, Galaxy Zoo team member, husband, father, employee of cats
Tuscaloosa, AL, USA
astronomy.ua.edu/keel
8 yrs, 5 mos on Twitter
Tweets: 3/day • 34% new, 45% replies, 15% retweets, 7% quotes
1,053 66 
335. 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…
8 yrs, 4 mos on Twitter
Tweets: 5/day • 18% new, 27% replies, 51% retweets, 4% quotes
1,053 54 
336. 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
8 yrs, 8 mos on Twitter
Tweets: 2/day • 30% new, 19% replies, 46% retweets, 5% quotes
1,052 56 
337. 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…
9 yrs, 4 mos on Twitter
Tweets: 5/day • 22% new, 47% replies, 17% retweets, 14% quotes
1,029 108 
338. profile imagelaυren вιddle
@ZeepXanflorp


Sentient, animated, water-stuff who thinks about the universe for a living | 'If I could offer you one tip for the future, ..sunscreen... would be.... it.'
A pale blue dot ⊕
6 yrs, 1 mo on Twitter
Tweets: 2/day • 41% new, 18% replies, 40% retweets, 1% quotes
1,027 51 
339. 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
10 yrs, 5 mos on Twitter
Tweets: 0.7/day • 14% new, 15% replies, 64% retweets, 7% quotes
1,025 44 
340. 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, 3 mos on Twitter
Tweets: 0.6/day • 46% new, 9% replies, 41% retweets, 5% quotes
1,025 47 
341. profile imageNathalie A. Cabrol
@shasta721


Planetary Scientist and Explorer
From Habitability to Life on Mars
Lakes on Mars
Mountain View
pll.seti.org
Google Scholar page
6 yrs, 9 mos on Twitter
Tweets: 7/day • 100% new, 0% replies, 0% retweets, 0% quotes
1,024 66 

Last tweeted over a year ago

342. 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
6,346 429 
343. profile imageStacie Powell
@powellstacie


Olympic GB 10m Platform Diver Astrophysics PhD student at The University of Cambridge
3 yrs, 11 mos on Twitter until last tweet (2016-Feb-22)
Tweets: 0.3/day • 54% new, 27% replies, 20% retweets, 0% quotes
2,362 105 
344. profile imageRobert C. Tautz
@rctautz


Theoretical plasma astrophysicist studying cosmic rays, plasma instabilities, and general problems of mathematical and computational physics. Tweets are my own.
Germany
rctautz.de
6 yrs, 7 mos on Twitter until last tweet (2016-May-06)
Tweets: 1/day • 45% new, 1% replies, 53% retweets, 2% quotes
1,977 181 
345. profile imageGeoff Sims
@beyond_beneath


Antarctic astronomer, data scientist, photographer, surfer and solar eclipse chaser. IPA (beer) lover!
Sydney, Australia
facebook.com/BeyondBeneath
2 yrs, 10 mos on Twitter until last tweet (2016-Feb-04)
Tweets: 0.4/day • 44% new, 26% replies, 30% retweets, 0% quotes
1,000 72