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TrueSciPhi

Astronomers on Twitter

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

Updated: 2017-Jul-23 11:00 UTC. Listed users: 298. 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
Welcome to the Universe
Astrophysics for People in a Hurr...
Welcome to the Universe
New York City
haydenplanetarium.org/tyson/
8 yrs, 5 mos on Twitter
Tweets: 2/day • 63% new, 32% replies, 1% retweets, 4% quotes
8,116,273 44,692 
2. profile imagePhil Plait
@BadAstronomer


SCIENCE! I love this stuff. My blog RSS feed: blastr.com/tags/bad-astro…
Bad Astronomy
Boulder
about.me/philplait
10 yrs, 3 mos on Twitter
Tweets: 19/day • 26% new, 53% replies, 5% retweets, 16% quotes
590,242 12,910 
3. profile imageUmut Yildiz
@umutayildiz


#DeepSpaceTelecom • Dr. #Astrophysics at @NASAJPL @Caltech • @UniLeiden • #SciComm Tweets are my opinions. https://t.co/IfARWRjAp5 https://t.co/tbdA7h8rYF
Los Angeles, CA
yildiz.space
Google Scholar page
6 yrs, 10 mos on Twitter
Tweets: 1/day • 9% new, 43% replies, 41% retweets, 7% quotes
311,628 210 
4. profile imageKirk Borne
@KirkDBorne


The Principal Data Scientist at @BoozAllen, PhD Astrophysicist, ♡ Data Science, Top Big Data Influencer. Ex-Professor https://t.co/f4gsbNtASa 📊📈🔭
Booz Allen Hamilton
linkedin.com/in/kirkdborne
Google Scholar page
5 yrs, 4 mos on Twitter
Tweets: 38/day • 70% new, 9% replies, 15% retweets, 6% quotes
161,550 6,561 
5. profile imageKatie Mack
@AstroKatie


(a.k.a. Dr Katherine J Mack) astrophysicist, occasional freelance science writer, connoisseur of airplane food
Melbourne, Australia, or not
astrokatie.com
Google Scholar page
8 yrs, 3 mos on Twitter
Tweets: 29/day • 7% new, 79% replies, 7% retweets, 6% quotes
156,598 2,878 
6. profile imageEmily Lakdawalla
@elakdawalla


Senior Editor & Planetary Evangelist, The Planetary Society. Planetary scientist, writer, public speaker. Writing a book on Curiosity mission. Asteroid 274860.
Pasadena, CA
planetary.org/emily
9 yrs, 2 mos on Twitter
Tweets: 15/day • 8% new, 34% replies, 38% retweets, 20% quotes
137,612 4,405 
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/
4 yrs, 7 mos on Twitter
Tweets: 18/day • 18% new, 72% replies, 2% retweets, 8% quotes
74,334 1,789 
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
8 yrs, 3 mos on Twitter
Tweets: 5/day • 13% new, 74% replies, 5% retweets, 8% quotes
55,008 1,725 
9. profile imageCarolyn Porco
@carolynporco


Planetary scientist. Cassini imaging lead. Visiting Scholar UC Berkeley. Sr Editor Astrobiology journal. I think. I speak. I write. Opinions are my own.
CA
carolynporco.com
7 yrs, 11 mos on Twitter
Tweets: 9/day • 9% new, 23% replies, 20% retweets, 48% quotes
54,488 1,862 
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
8 yrs, 3 mos on Twitter
Tweets: 1/day • 39% new, 1% replies, 59% retweets, 1% quotes
48,881 1,136 
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
8 yrs, 5 mos on Twitter
Tweets: 11/day • 26% new, 23% replies, 52% retweets, 0% quotes
*Follows 0.93 feeds per follower
47,667* 1,245 
12. 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
6 yrs, 10 mos on Twitter
Tweets: 5/day • 90% new, 3% replies, 7% retweets, 0% quotes
38,545 2,081 
13. 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
Is There Life On Mars?
The Unknown Universe
Little Moon
London
stuartclark.com
8 yrs, 2 mos on Twitter
Tweets: 4/day • 17% new, 29% replies, 27% retweets, 28% quotes
36,923 657 
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
8 yrs, 4 mos on Twitter
Tweets: 44/day • 22% new, 57% replies, 19% retweets, 3% quotes
36,366 1,679 
15. profile imageDr. Ian O'Neill
@astroengine


Recovering British solar physicist, space science writer, skeptic, liberal, atheist, alien whisperer
Woodland, CA
astroengine.com
8 yrs, 11 mos on Twitter
Tweets: 13/day • 13% new, 33% replies, 40% retweets, 14% quotes
36,285 1,344 
16. profile imageMatt Taylor
@mggtTaylor


I still work on the ESA Rosetta mission. 501st Dutch Garrison TK67676
Netherlands
4 yrs, 10 mos on Twitter
Tweets: 8/day • 6% new, 55% replies, 29% retweets, 11% quotes
34,611 622 
17. 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
9 yrs, 5 mos on Twitter
Tweets: 7/day • 19% new, 25% replies, 43% retweets, 14% quotes
34,405 1,590 
18. profile imageRobert Simpson
@orbitingfrog


Googler, astronomer, TED Fellow. Views are my own.
UK
orbitingfrog.com
Google Scholar page
10 yrs, 3 mos on Twitter
Tweets: 3/day • 78% new, 11% replies, 11% retweets, 0% quotes
33,074 443 
19. profile imageJohn Grunsfeld
@SciAstro


Former lead for Science at NASA (Associate Administrator) Astronaut STS-67,81,103,109,125 Hubble Hugger, Space and Earth explorer
go.nasa.gov/johngrunsfeld
5 yrs, 5 mos on Twitter
Tweets: 0.3/day • 58% new, 1% replies, 36% retweets, 4% quotes
33,054 890 
20. profile imageSarah Hörst
@PlanetDr


Assistant Prof of Planetary Science @JohnsHopkins, Titan evangelist, pomeranian wrangler. Prone to #sciencedancing. Loves socks. Stridently anti-breakfast.
Baltimore, MD, USA
sarahhorst.com
Google Scholar page
8 yrs, 3 mos on Twitter
Tweets: 18/day • 14% new, 61% replies, 15% retweets, 9% quotes
29,361 1,041 
21. profile imageDr. Selçuk Topal
@astronomTurk


#Bilim #Uzay BSc and MSc @AnkaraUni PhD @UniofOxford #Astronomer #sciencecommunicator #AstroOutreach, Astro-Yazar @hurriyet @stem_maker #gelecekuzayda
Planet Earth
selcuktopal.net
4 yrs, 6 mos on Twitter
Tweets: 3/day • 57% new, 23% replies, 5% retweets, 14% quotes
29,299 51 
22. 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
8 yrs, 9 mos on Twitter
Tweets: 3/day • 22% new, 57% replies, 10% retweets, 11% quotes
26,565 922 
23. profile imageAmy Mainzer
@AmyMainzer


Scientist
Jet Propulsion Laboratory
science.jpl.nasa.gov/people/Mainzer/
4 yrs, 5 mos on Twitter
Tweets: 2/day • 13% new, 79% replies, 5% retweets, 4% quotes
25,181 766 
24. profile imageSethShostak
@SethShostak


Astronomer, SETI Institute
Life in the Universe (4th Edition...
Confessions of an Alien Hunter
Cosmic Company
Mountain View, California
radio.seti.org
8 yrs, 8 mos on Twitter
Tweets: 0.1/day • 86% new, 13% replies, 0% retweets, 2% quotes
24,920 1,115 
25. profile imageDavid Grinspoon
@DrFunkySpoon


Astrobiologist, author, musician Senior Scientist @planetarysci House Band of Universe. Columnist @SkyandTelescope Sagan Medalist. New book EARTH IN HUMAN HANDS
Earth in Human Hands
Towards Understanding the Climate...
Venus Revealed
Biosphere One
funkyscience.net
Google Scholar page
5 yrs, 10 mos on Twitter
Tweets: 13/day • 30% new, 19% replies, 41% retweets, 10% quotes
24,226 662 
26. 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
4 yrs, 8 mos on Twitter
Tweets: 11/day • 12% new, 2% replies, 43% retweets, 44% quotes
24,020 828 
27. profile imageAlanStern
@AlanStern


Scientist. Space Explorer. Optimist. Pilot. Dad. Not necessarily in that order. Follow my New Horizons Twitter feed @NewHorizons2015.
Pluto and Charon
Worlds Beyond
Our Universe
Boulder, CO
8 yrs, 11 mos on Twitter
Tweets: 5/day • 18% new, 9% replies, 73% retweets, 0% quotes
23,449 870 
28. 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
7 yrs, 7 mos on Twitter
Tweets: 3/day • 12% new, 49% replies, 31% retweets, 8% quotes
20,434 530 
29. 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
7 yrs, 3 mos on Twitter
Tweets: 4/day • 21% new, 49% replies, 25% retweets, 5% quotes
19,650 819 
30. 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
8 yrs, 2 mos on Twitter
Tweets: 3/day • 48% new, 42% replies, 9% retweets, 0% quotes
18,357 410 
31. profile imageLucie 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
7 yrs, 1 mo on Twitter
Tweets: 3/day • 10% new, 62% replies, 19% retweets, 8% quotes
17,677 585 
32. profile imageDr. Chanda 🇧🇧
@IBJIYONGI


Dr Prescod-Weinstein #BlackandSTEM 🏳️‍🌈 @jocsm4pal astro|physics theory postdoc, gq ♀, EditorInChief @TheOffingMag #histsci #histSTM https://t.co/CTwP5K5W9l
Seattle, WA/Cambridge, MA
cprescodweinstein.com
9 yrs, 1 mo on Twitter
Tweets: 23/day • 20% new, 47% replies, 25% retweets, 7% quotes
17,385 637 
33. profile imageAlex Parker
@Alex_Parker


Planetary astronomer and artist exploring the origin and history of icy worlds at the edge of our solar system.
Boulder, Colorado
alexharrisonparker.com
Google Scholar page
8 yrs, 6 mos on Twitter
Tweets: 7/day • 22% new, 61% replies, 13% retweets, 6% quotes
16,869 624 
34. profile imageJavier Armentia
@javierarmentia


Astrofísico, comunicador científico, escéptico, ateo, mala gente en general. Ah, y gay.
Pamplona
javierarmentia.com
Google Scholar page
8 yrs, 1 mo on Twitter
Tweets: 9/day • 54% new, 24% replies, 15% retweets, 6% quotes
16,619 827 
35. 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/
8 yrs, 5 mos on Twitter
Tweets: 10/day • 97% new, 1% replies, 3% retweets, 0% quotes
16,071 289 
36. profile imageAlan Duffy
@astroduff


Astronomer / physicist. A/Professor at @Swinburne making galaxies there since 2014. Instagram.com/dr.a.duffy
Melbourne
alanrduffy.com
Google Scholar page
5 yrs, 0 mos on Twitter
Tweets: 9/day • 19% new, 55% replies, 7% retweets, 20% quotes
15,990 332 
37. profile imageJake VanderPlas
@jakevdp


Data scientist in academia & exploring what that means with a great team at @UWeScience. Astronomer, dad to two girls, author of @pydatasci.
Python Data Science Handbook
Seattle WA
vanderplas.com
Google Scholar page
4 yrs, 11 mos on Twitter
Tweets: 2/day • 22% new, 57% replies, 11% retweets, 11% quotes
15,614 799 
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
7 yrs, 10 mos on Twitter
Tweets: 15/day • 24% new, 21% replies, 53% retweets, 2% quotes
15,010 937 
39. 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
4 yrs, 4 mos on Twitter
Tweets: 2/day • 40% new, 14% replies, 14% retweets, 32% quotes
14,889 430 
40. profile imageNicole Gugliucci
@NoisyAstronomer


Astronomer and professor. Social justice advocate. Geek, crossfitter, and dog mom. Tweets my own. RT != endorsement. She/her.
New Hampshire, USA
noisyastronomer.com
Google Scholar page
9 yrs, 1 mo on Twitter
Tweets: 14/day • 10% new, 44% replies, 29% retweets, 17% quotes
14,792 1,010 
41. profile imageNick Howes
@NickAstronomer


Astronomer, Consultant and Science Writer - Fellow of Royal Astronomical Society. Director of Aerolite Meteorites in UK/Europe
Cherhill in Wiltshire
tinyurl.com/y9akrn3
7 yrs, 7 mos on Twitter
Tweets: 23/day • 32% new, 45% replies, 14% retweets, 10% quotes
14,425 609 
42. profile imageTanya Harrison
@tanyaofmars


🇨🇦Professional Martian. Director of Research @asunewspace, Web Editor @exploreplanets, current/former sci team @MarsRovers, @MarsCuriosity & Mars Recon Orbiter.
Toronto / Phoenix
tanyaofmars.com
8 yrs, 4 mos on Twitter
Tweets: 8/day • 2% new, 80% replies, 9% retweets, 8% quotes
13,912 649 
43. profile imageEd Copeland
@ProfEdCopeland


Particle cosmologist working on the Early Universe at the University of Nottingham. Views expressed are my own.
Nottingham, UK
5 yrs, 1 mo on Twitter
Tweets: 1.0/day • 31% new, 51% replies, 7% retweets, 10% quotes
13,210 154 
44. profile imageAdam Frank
@AdamFrank4


Astrophysicist: University of Rochester. NPR Science Blogger: 13.7. Author: About Time: Cosmology Culture at the Twilight of the Big Bang.
Astronomy: At Play in the Cosmos
Astronomy
About Time
University of Rochester
facebook.com/pages/Adam-Fra…
5 yrs, 11 mos on Twitter
Tweets: 3/day • 17% new, 22% replies, 44% retweets, 17% quotes
12,698 521 
45. profile imageProf. Abel Méndez
@ProfAbelMendez


Planetary Astrobiologist and Director of the @PlanetaryHabLab. Studying habitable worlds in the universe.
Searching for Habitable Worlds
Arecibo, Puerto Rico
phl.upr.edu
7 yrs, 8 mos on Twitter
Tweets: 23/day • 36% new, 18% replies, 41% retweets, 4% quotes
*Follows 0.76 feeds per follower
12,229* 723 
46. profile imagePaul M. Sutter
@PaulMattSutter


Astrophysicist @OhioState | Chief Scientist @COSI | Agent to the Stars
pmsutter.com
Google Scholar page
5 yrs, 3 mos on Twitter
Tweets: 2/day • 66% new, 18% replies, 11% retweets, 5% quotes
*Follows 0.75 feeds per follower
11,214* 266 
47. 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
6 yrs, 2 mos on Twitter
Tweets: 5/day • 33% new, 23% replies, 39% retweets, 4% quotes
11,062 464 
48. profile imageMC Stardust ✨
@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
7 yrs, 3 mos on Twitter
Tweets: 38/day • 17% new, 39% replies, 32% retweets, 12% quotes
10,686 520 
49. profile imageHakeem Oluseyi
@HakeemOluseyi


Astrophysicist | Inventor | Educator | OG | Speaker | Outrageous Acts of Science | How the Universe Works | MY opinions ONLY | Retweet ≠ Endorsement
Proceedings of the 2009 Joint Ann...
Proceedings of the National Socie...
Washington, DC
fit.edu/faculty/profil…
4 yrs, 10 mos on Twitter
Tweets: 3/day • 42% new, 41% replies, 15% retweets, 2% quotes
10,462 260 
50. 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
8 yrs, 6 mos on Twitter
Tweets: 6/day • 20% new, 68% replies, 5% retweets, 8% quotes
10,296 576 
51. profile imageLucianne Walkowicz
@shaka_lulu


Astrophysicist @AdlerPlanet, Chair of Astrobiology @librarycongress, multimedia artist. (banner: 'Afronauts' by @tobogganeer) Ⓥ
Chicago, IL, USA, Earth
tangledfields.com
Google Scholar page
6 yrs, 5 mos on Twitter
Tweets: 4/day • 31% new, 34% replies, 25% retweets, 10% quotes
10,068 375 
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…
6 yrs, 3 mos on Twitter
Tweets: 5/day • 25% new, 52% replies, 19% retweets, 4% quotes
9,819 624 
53. profile imageEd Lu
@astroEdLu


Finding a million asteroids!
Pale Blue Dot
sentinelmission.org
5 yrs, 6 mos on Twitter
Tweets: 0.5/day • 40% new, 11% replies, 48% retweets, 1% quotes
9,494 266 
54. profile imageTim O'Brien
@Tim_O_Brien


Professor of Astrophysics, Associate Director @jodrellbank, Science Director @bluedotfestival, President @popastro, likes exploding stars. Red. My own views.
Manchester, UK
proftimobrien.com
8 yrs, 5 mos on Twitter
Tweets: 6/day • 30% new, 50% replies, 15% retweets, 5% quotes
9,324 260 
55. profile image👩🏼‍🏫👩🏼‍💻
@corbett


@NSF Astrophysics Postdoc @Caltech, @summerappspace💻💫 lead, SF writer✍🏻. Past: @SpaceX, @MIT, @WhisperSystems, @SPTelescope. want 💯% [email protected]_corbett
Pasadena, CA
christinecorbettmoran.com
Google Scholar page
7 yrs, 2 mos on Twitter
Tweets: 8/day • 22% new, 24% replies, 43% retweets, 11% quotes
9,274 425 
56. profile image★ 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
9 yrs, 4 mos on Twitter
Tweets: 6/day • 17% new, 37% replies, 27% retweets, 19% quotes
8,909 454 
57. profile imageSophia Nasr
@Astropartigirl


Astroparticle physicist working on dark matter. PhD in cosmology @UCIrvine. Space, particles, cosmology, scicomm, blogging, animals, intersectional feminism.
Los Angeles, CA
astropartigirl.com
7 yrs, 2 mos on Twitter
Tweets: 13/day • 14% new, 48% replies, 28% retweets, 10% quotes
8,817 390 
58. 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 Interstellar Age
The Interstellar Age
Mars 3-D
jimbell.sese.asu.edu
Google Scholar page
8 yrs, 7 mos on Twitter
Tweets: <0.05/day • 89% new, 4% replies, 7% retweets, 0% quotes
8,463 249 
59. profile imageJedidah Isler, PhD
@JedidahIslerPhD


Relentless Dreamer / Astrophysicist / Science Lover / Innovator / TED Fellow / Founder & Host @VanguardSTEM / @NatGeo Emerging Explorer / @TheRoot 100
JedidahIslerPhD.com
6 yrs, 11 mos on Twitter
Tweets: 4/day • 2% new, 21% replies, 67% retweets, 10% quotes
8,376 357 
60. profile imageTabetha 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
7 yrs, 11 mos on Twitter
Tweets: 0.4/day • 32% new, 48% replies, 7% retweets, 14% quotes
8,287 178 
61. profile imageSarah Tuttle
@niais


Astrophysicist. Mom. Lunatic. Bionic Woman. Armed with wrenches & a dream. Professor. Legally & reputationally risky. 100% problematic.
Feminist Dystopian Hellscape
astrotuttle.wordpress.com
9 yrs, 6 mos on Twitter
Tweets: 27/day • 7% new, 63% replies, 27% retweets, 2% quotes
7,953 331 
62. profile imageAlasdair Allan
@aallan


Scientist, Author, Hacker, Maker and Journalist. Currently freelance, building, breaking, and writing. Former inhabitant of the ivory tower.
Learning ESP8266
The Kerbal Player's Guide
Make
Exeter, UK and ✈️
alasdairallan.com
9 yrs, 3 mos on Twitter
Tweets: 9/day • 43% new, 35% replies, 3% retweets, 20% quotes
7,921 887 
63. 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
6 yrs, 9 mos on Twitter
Tweets: 0.9/day • 67% new, 2% replies, 21% retweets, 11% quotes
7,873 300 
64. profile imageEllen Stofan
@EllenStofan


Planetary geologist, STEM advocate, former Chief Scientist of NASA
Planetology
Exploring Venus as a Terrestrial ...
5 yrs, 5 mos on Twitter
Tweets: 2/day • 8% new, 5% replies, 79% retweets, 8% quotes
7,795 287 
65. profile imageKeri Bean
@PlanetaryKeri


Engineer @NASAJPL on @NASA_Dawn + @MarsRovers, R2 builder @R2Keri @KN_3X, @SunriderBase @RebelLegion Rey, @JeffAMcGee's wife, TX Aggie, Hufflepuff
Pasadena, CA
keribean.com
6 yrs, 2 mos on Twitter
Tweets: 16/day • 22% new, 40% replies, 25% retweets, 14% quotes
6,447 457 
66. profile imageMario Livio
@Mario_Livio


Internationally known astrophysicist. Author: The Golden Ratio, Is God a Mathematician?, Brilliant Blunders mariolivio.com
Why?: What Makes Us Curious
Brilliant Blunders
The Local Group as an Astrophysic...
Baltimore,MD
mariolivio.com
5 yrs, 3 mos on Twitter
Tweets: 8/day • 31% new, 0% replies, 53% retweets, 16% quotes
6,375 378 
67. profile imageDr. Anita Sengupta
@Doctor_Astro


Aerospace Engineer @nasajpl, Professor @usc, Pilot, Motorcyclist, Diver, World Traveller, public speaker. From Cosmic Origins to Landing @marscuriosity
Alpha Quadrant
solarsystem.nasa.gov/people/sengupt…
5 yrs, 6 mos on Twitter
Tweets: 4/day • 37% new, 11% replies, 47% retweets, 5% quotes
6,096 281 
68. profile imageDr Lisa Harvey-Smith
@lisaharveysmith


Astrophysicist, Ultrarunner, TV Presenter #StargazingABC, #LifeOnTheLine, Educator @AstroCourses, Gooner, Vego, Friend of Dorothy lisaharveysmith.com
Sydney
lisaharveysmith.com
5 yrs, 8 mos on Twitter
Tweets: 2/day • 38% new, 33% replies, 19% retweets, 10% quotes
6,057 193 
69. 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
6 yrs, 9 mos on Twitter
Tweets: 0.1/day • 44% new, 37% replies, 13% retweets, 7% quotes
5,969 320 
70. profile imageJane MacArthur
@Jane_MacArthur


Planetary scientist @UniOfLeicester studying martian meteorites & comet dust. Violinist. Fellow @RoyalAstroSoc #RAS200 #MetSoc2017 #MetSoc17 #STEMAmbassador
Mars
janemac.org
Google Scholar page
8 yrs, 5 mos on Twitter
Tweets: 3/day • 39% new, 35% replies, 20% retweets, 6% quotes
5,959 288 
71. profile imageSébastien Carassou
@FlashCordon


Doctorant en astrophysique, Youtublogueur blagueur (#LeSOW), fondateur de @Asso_Conscience et @EnDirectDuLabo
Sur la toile (co(s)mique)
lesenseofwonder.blogspot.fr
6 yrs, 2 mos on Twitter
Tweets: 14/day • 16% new, 28% replies, 53% retweets, 4% quotes
5,939 246 
72. profile imageBryan Gaensler
@SciBry


Astronomer, politics fanatic, sci-fi connoisseur, rugby tragic, displaced Antipodean, bewildered parent. Director of @DunlapInstitute at @UofT. Opinions ∉ @UofT
Extreme Cosmos
Toronto, Canada
bryangaensler.net
Google Scholar page
7 yrs, 11 mos on Twitter
Tweets: 11/day • 10% new, 52% replies, 33% retweets, 4% quotes
5,881 305 
73. profile imageSarah Kendrew
@sarahkendrew


Astronomer with the European Space Agency. Based at the Space Telescope Science Institute in Baltimore. Opinions my own.
Baltimore/Cape Town/Brussels
skendrew.github.io
Google Scholar page
9 yrs, 10 mos on Twitter
Tweets: 9/day • 10% new, 37% replies, 37% retweets, 17% quotes
5,854 385 
74. profile imageMarc Kuchner
@marckuchner


PI of Citizen Science projects backyardworlds.org, diskdetective.org, Astrophysicist, Songwriter.
Marketing for Scientists
Greenbelt, MD
marketingforscientists.com
8 yrs, 7 mos on Twitter
Tweets: 0.6/day • 48% new, 13% replies, 19% retweets, 21% quotes
5,809 199 
75. profile image★ Colin Stuart ★
@skyponderer


Astronomy author, writer & international speaker. Get my weekly astronomy newsletter @ eepurl.com/cSCnoT. See www for books, keynotes & school talks.
13 Journeys Through Space and Tim...
Geek Guide to Life
Exploring the Mysteries of Scienc...
London
colinstuart.net
8 yrs, 7 mos on Twitter
Tweets: 4/day • 43% new, 9% replies, 47% retweets, 1% quotes
5,806 424 
76. 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
8 yrs, 2 mos on Twitter
Tweets: 6/day • 10% new, 41% replies, 49% retweets, 0% quotes
5,747 355 
77. profile imageKaren Masters 💫⭐️✨
@KarenLMasters


Extragalactic astrophysicist. Part of @GalaxyZoo @SDSSurveys. Touch a galaxy @TactileUniverse. Mostly tweeting astronomy. Tweets are my own views.
Portsmouth, UK
icg.port.ac.uk/~mastersk
Google Scholar page
8 yrs, 4 mos on Twitter
Tweets: 10/day • 22% new, 20% replies, 45% retweets, 14% quotes
5,739 345 
78. profile imageMichele Bannister
@astrokiwi


Planetary astronomer, poet, hunter of new and strange worlds. Connoisseur of fuzzy dots. Asteroid (10463). Research Fellow @AstroQUB.
living the life non-sidereal
astro.uvic.ca/~micheleb/
8 yrs, 4 mos on Twitter
Tweets: 5/day • 20% new, 61% replies, 11% retweets, 9% quotes
5,449 311 
79. profile imageAlessondraSpringmann
@sondy


asteroids, sounding rockets, radar, saguaro, geology, autoimmune disease, puns, anticolonial intersectional feminism, cat herding, 小惑星レーダー天文学者
Tohono O'odham land
sondy.com
Google Scholar page
7 yrs, 3 mos on Twitter
Tweets: 17/day • 10% new, 43% replies, 43% retweets, 3% quotes
5,301 300 
80. 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
4 yrs, 10 mos on Twitter
Tweets: 3/day • 16% new, 46% replies, 34% retweets, 4% quotes
5,296 171 
81. profile imageFranck Marchis
@AllPlanets


Planetary astronomer and exoplanet chair at the SETI Institute, husband, dad & crossfit athlete balancing life. Tweet about space, our planet & human rights.
San Francisco
franckmarchis.com
Google Scholar page
6 yrs, 11 mos on Twitter
Tweets: 6/day • 61% new, 3% replies, 25% retweets, 10% quotes
5,086 384 
82. profile imageChris North
@chrisenorth


Lecturer & astronomer @CardiffPHYSX. Co-author of cosmos-book.github.io + other books, semi-regular broadcaster (e.g. pythagastro.uk). Comments own
Cosmos
How to Read the Solar System
The Sky at Night
Cardiff (normally)
blogs.cardiff.ac.uk/chrisnorth
7 yrs, 9 mos on Twitter
Tweets: 3/day • 24% new, 57% replies, 4% retweets, 16% quotes
5,066 168 
83. profile imageMarek Kukula
@marekkukula


Public Astronomer at the Royal Observatory Greenwich, author of The Intimate Universe & co-author of The Scientific Secrets of Dr Who. Opinions = opinions.
The Scientific Secrets of Doctor ...
London
rmg.co.uk/royal-observat…
6 yrs, 11 mos on Twitter
Tweets: 4/day • 12% new, 13% replies, 71% retweets, 4% quotes
4,944 216 
84. profile imageProf. Chris Welch
@ProfChrisWelch


@ISUnet space prof and VP of @IAFAstro & @BIS_Spaceflight Involved with @TheArtsCatalyst @SpacelinkLF @WorldSpaceWeek @SGAC @I4Interstellar @TheIET
Strasbourg, France
isunet.edu/prof-christoph…
8 yrs, 6 mos on Twitter
Tweets: 2/day • 27% new, 1% replies, 72% retweets, 0% quotes
4,926 219 
85. profile imageDr Chiara Mingarelli
@Dr_CMingarelli


Marie Curie Fellow in #GravitationalWave #Astrophysics at MPIfR via @Caltech, @NASAJPL, @unibirmingham. From Ottawa, Canada
Bonn, Germany
chiaramingarelli.com
Google Scholar page
6 yrs, 4 mos on Twitter
Tweets: 12/day • 12% new, 11% replies, 65% retweets, 12% quotes
4,846 370 
86. profile imageJulianne Dalcanton
@dalcantonJD


Astrophysicist at the University of Washington. Principal Investigator of the Panchromatic Hubble Andromeda Treasury (PHAT).
5 yrs, 6 mos on Twitter
Tweets: 11/day • 4% new, 45% replies, 47% retweets, 4% quotes
4,774 265 
87. profile imageEmily Baldwin
@AstroEmz


Space Science Editor at EJR-Quartz for ESA, based at ESTEC. Tweets about space, running, coffee. Opinions own.
Leiden, Netherlands
8 yrs, 4 mos on Twitter
Tweets: 4/day • 32% new, 20% replies, 33% retweets, 16% quotes
4,752 297 
88. profile imageMichael Merrifield
@ProfMike_M


Professor of astronomy at the University of Nottingham, interested in galaxies and outreach, particularly participating in 60 Symbols videos. All my own views.
Nottingham
nottingham.ac.uk/physics/people…
Google Scholar page
6 yrs, 0 mos on Twitter
Tweets: 12/day • 12% new, 67% replies, 6% retweets, 14% quotes
4,646 145 
89. profile imageTom Kerss
@tomkerss


Astronomer at the Royal Observatory Greenwich. Resolute stargazer. Author. Bit Danish. Mental Health. Real Ale. Chopin. Views are my own. #Stargazing
Stargazing
London
tomkerss.co.uk
8 yrs, 5 mos on Twitter
Tweets: 3/day • 28% new, 35% replies, 29% retweets, 8% quotes
4,513 206 
90. profile imageMapperwocky 📎⛰⚒
@cirquelar


Dr. Fred Calef III, Geologist, Keeper of the Maps, Sciengineering @NASA_JPL Mars missions. Will map landing sites for food (comments my own). Banner: @TychoGirl
From JPL to Surf City USA
8 yrs, 0 mos on Twitter
Tweets: 23/day • 1% new, 29% replies, 67% retweets, 3% quotes
4,451 427 
91. profile imagePeter Coles
@telescoper


Theoretical astrophysicist, specialising in cosmology. Also interested in jazz, opera, poetry, crosswords, etc. Citizen of Nowhere.
From Cosmos to Chaos
Cosmology
Cosmology
Cardiff, Wales
telescoper.wordpress.com
Google Scholar page
7 yrs, 9 mos on Twitter
Tweets: 20/day • 23% new, 15% replies, 45% retweets, 17% quotes
4,445 318 
92. profile imageAlice Sheppard
@PenguinGalaxy


Community Manager at @UCL_ExciteS, Citizen Science Officer at @popastro, loves science for and by everyone. Opinions own. @GalaxyZoo turned me into a penguin.
ra=144.437, dec=2.759
aliceingalaxyland.blogspot.co.uk
8 yrs, 5 mos on Twitter
Tweets: 54/day • 16% new, 51% replies, 28% retweets, 4% quotes
4,432 391 
93. profile imageJuan Diego Soler
@juandiegosoler


Astrofísico/astrophysicist/astrophysicien/Astrophysiker. Estudiando el campo magnetico interestelar. Lanzando globos. Historias de ciencia en módicas entregas.
Germany
facebook.com/juandiegosoler…
6 yrs, 3 mos on Twitter
Tweets: 4/day • 33% new, 9% replies, 57% retweets, 1% quotes
4,428 69 
94. 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
6 yrs, 3 mos on Twitter
Tweets: 3/day • 37% new, 49% replies, 11% retweets, 3% quotes
4,364 209 
95. 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
4 yrs, 7 mos on Twitter
Tweets: 7/day • 11% new, 23% replies, 51% retweets, 16% quotes
4,335 322 
96. 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
6 yrs, 2 mos on Twitter
Tweets: 12/day • 9% new, 31% replies, 48% retweets, 12% quotes
4,273 296 
97. profile imageMolly Peeples
@astronomolly


Astronomer in the Science Policies Group @STScI playing with galaxies and gas, real and fake. #Hubble and #WFIRST pay the bills; opinions are my own. She/her.
Baltimore, MD, z=0
molly.science
Google Scholar page
4 yrs, 9 mos on Twitter
Tweets: 15/day • 14% new, 67% replies, 13% retweets, 6% quotes
4,160 181 
98. profile imageNatalie Batalha
@nbatalha


Eukaryote on planet Earth using self-awareness and empathy to experience love and seek knowledge. Astronomer involved in search for life on exoplanets.
Silicon Valley, California
8 yrs, 6 mos on Twitter
Tweets: 1/day • 40% new, 40% replies, 5% retweets, 14% quotes
4,051 247 
99. profile imageGuy Consolmagno
@specolations


Brother astronomer at the Vatican Observatory, occasional book author
Would You Baptize an Extraterrest...
Turn Left at Orion
Worlds Apart
4 yrs, 7 mos on Twitter
Tweets: 1.0/day • 13% new, 3% replies, 75% retweets, 8% quotes
3,982 154 
100. profile imageJessica Kirkpatrick
@berkeleyjess


Dr. Jessica Ann Kirkpatrick, Astrophysicist → Data Scientist @SlackHQ (formerly @Hired_HQ @Yammer @InstaEDU). #scientist #runner #feminist #writer #catPerson
San Francisco, CA
berkeleyjess.blogspot.com
8 yrs, 0 mos on Twitter
Tweets: 1/day • 35% new, 24% replies, 36% retweets, 5% quotes
3,966 271 
101. 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
5 yrs, 6 mos on Twitter
Tweets: 14/day • 18% new, 29% replies, 28% retweets, 25% quotes
3,954 310 
102. 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
5 yrs, 8 mos on Twitter
Tweets: 0.6/day • 44% new, 17% replies, 9% retweets, 31% quotes
3,932 203 
103. profile imageJess ♿ & Hubble🐕
@Enceladosaurus


Queer astrophysicist, accessibility consultant, & science writer. Cofounded @AAS_WGAD, creator of #disabledandSTEM. Gaming reviews on @Metacritic & ICXM! #INTJ
Stolen Manahoac Land
enceladosaur.us
6 yrs, 1 mo on Twitter
Tweets: 12/day • 11% new, 57% replies, 21% retweets, 12% quotes
3,778 170 
104. profile imageRenée Hložek
@reneehlozek


South African cisgender, bisexual female Assistant Prof. of Astrophysics, Rhodes scholar (and lover of loud karaoke), Senior TED Fellow. Feminist scientist.
Toronto, Ontario
reneehlozek.moonfruit.com
Google Scholar page
7 yrs, 11 mos on Twitter
Tweets: 3/day • 66% new, 22% replies, 9% retweets, 4% quotes
3,777 216 
105. profile imageMaria Womack
@StarzanPlanets


Astrophysicist & planetary scientist @USouthFlorida physics professor. Comets, exocomets, exoplanets, stars, #astropolicy #scipolicy Contains no pseudoscience.
Tampa, Florida
physics.usf.edu/faculty/mwomac…
Google Scholar page
7 yrs, 11 mos on Twitter
Tweets: 5/day • 16% new, 45% replies, 33% retweets, 7% quotes
3,776 236 
106. profile imageDavid Spergel
@DavidSpergel


Astrophysicist at Princeton University and Flatiron Institute
Princeton NJ
astro.princeton.edu/~dns
3 yrs, 6 mos on Twitter
Tweets: 0.6/day • 50% new, 32% replies, 13% retweets, 4% quotes
3,753 158 
107. profile imageBrooke Simmons
@vrooje


Somewhat distracted astrophysicist researching galaxies and black holes; on @galaxyzoo & @the_zooniverse teams. Also: equity & diversity in science.
San Diego, CA
vrooje.github.io
8 yrs, 10 mos on Twitter
Tweets: 4/day • 20% new, 31% replies, 43% retweets, 6% quotes
3,719 182 
108. profile imageKimberly EnnicoSmith
@kennicosmith


'A cup of tea would restore my normality.' - Douglas Adams (HHGTTG)
Boulder, CO, Mountain View, CA
kandrsmith.org/KES/
9 yrs, 5 mos on Twitter
Tweets: 5/day • 65% new, 13% replies, 15% retweets, 8% quotes
3,705 305 
109. profile imageCaleb Scharf
@caleb_scharf


Director of Astrobiology at Columbia University. Blog at Sci Am (#sciamblogs). Author of The Copernicus Complex, Gravity's Engines and more...
The Zoomable Universe
The Copernicus Complex
Gravity's Engines
New York
calebscharf.com
6 yrs, 8 mos on Twitter
Tweets: 3/day • 28% new, 5% replies, 55% retweets, 12% quotes
3,678 285 
110. 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
8 yrs, 4 mos on Twitter
Tweets: 0.1/day • 68% new, 5% replies, 19% retweets, 8% quotes
3,624 222 
111. profile imageArfon Smith
@arfon


Head of Data Science Mission Office @stsci. Ex GitHubber. Zooniverse co-founder. Editor-in-chief of The Journal of Open Source Software.
Baltimore, MD
arfon.org
Google Scholar page
10 yrs, 6 mos on Twitter
Tweets: 3/day • 14% new, 27% replies, 55% retweets, 3% quotes
3,614 249 
112. 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
1 yr, 11 mos on Twitter
Tweets: 37/day • 10% new, 81% replies, 2% retweets, 7% quotes
3,598 
113. profile imageKelle Cruz
@kellecruz


Astronomer & Prof at @Hunter_College, @AMNH, and #BDNYC. Liveable streets advocate. @Spurs fan. Founder, editor of @AstroBetter & CEO of @ScienceBetter
New York, NY
astrobetter.com
Google Scholar page
8 yrs, 5 mos on Twitter
Tweets: 3/day • 19% new, 25% replies, 43% retweets, 13% quotes
3,523 243 
114. profile imageEmily Rice
@emilylurice


Astronomer at @csinews, @GC_CUNY, & @AMNH; #BDNYC & #CUNYAstro; @AstronomyOnTap organizer, 1/2 of @startorialist, & @knitted_bd host ⭐️. Not @djcarlysagan 😜
NYC
emilylrice.me
Google Scholar page
9 yrs, 10 mos on Twitter
Tweets: 3/day • 6% new, 43% replies, 35% retweets, 16% quotes
3,505 187 
115. profile imageTrueSciPhi
@TrueSciPhi


A window on science and philosophy communities on Twitter and YouTube, by Kelly Truelove (physics PhD, etc.). See site for more.
TrueSciPhi.org
Google Scholar page
2 yrs, 1 mo on Twitter
Tweets: 1/day • 41% new, 7% replies, 46% retweets, 6% quotes
3,454 171 
116. profile imageDr. Karan Jani
@AstroKPJ


Astrophysicist | @Forbes '30 Under 30' | @LIGO Scientist | @NunnSchoolGT Fellow
Atlanta / Vadodara
KaranJani.com
6 yrs, 1 mo on Twitter
Tweets: 4/day • 25% new, 31% replies, 25% retweets, 18% quotes
3,429 52 
117. profile imageDarkSapiens
@DarkSapiens


I use gravitational lenses to measure the size of quasars and constrain the amount of satellites in dark matter halos.
Spain
darksapiens.blogspot.com
9 yrs, 3 mos on Twitter
Tweets: 51/day • 2% new, 31% replies, 67% retweets, 0% quotes
3,378 330 
118. 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
8 yrs, 4 mos on Twitter
Tweets: 4/day • 63% new, 19% replies, 16% retweets, 2% quotes
3,314 282 
119. profile imageAlyssa Goodman
@aagie


Astronomy Professor at Harvard, figuring out how the Universe makes stars. Trying to make Astronomy more Seamless and STEM education more fun.
Massachusetts
cfa.harvard.edu/~agoodman
Google Scholar page
8 yrs, 6 mos on Twitter
Tweets: 2/day • 44% new, 15% replies, 35% retweets, 5% quotes
3,276 201 
120. 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
7 yrs, 2 mos on Twitter
Tweets: 9/day • 30% new, 23% replies, 43% retweets, 4% quotes
3,257 246 
121. profile imageKurtis Williams
@professor_astro


Assistant professor at Texas A&M University - Commerce
Commerce, TX, USA
blog.professorastronomy.com
8 yrs, 5 mos on Twitter
Tweets: 0.8/day • 40% new, 17% replies, 39% retweets, 4% quotes
3,252 263 
122. profile imageDr. Estelle Déau
@EstelleDeau


Astrophysicist devoted to Saturn rings and moons history via disk dynamics & radiative transfer. I (re)tweet Solar System news & fun science.
Between Earth and Saturn
Google Scholar page
3 yrs, 10 mos on Twitter
Tweets: 2/day • 2% new, 0% replies, 97% retweets, 0% quotes
3,191 132 
123. profile imageJackie Faherty
@jfaherty


Astrophysicist at @AMNH. Enthusiast for bringing the cosmos to the public @backyardworlds #womeninscience #BDNYC #manhattanhenge calculator. #scicomm
jackiefaherty.com
8 yrs, 4 mos on Twitter
Tweets: 1/day • 54% new, 14% replies, 26% retweets, 6% quotes
3,117 121 
124. profile imageKevin Schawinski
@kevinschawinski


Asst Prof @ETH_en | black holes | galaxies | #citizenscience | @galaxyzoo | deep learning | speaker | space.ml
Zurich, Switzerland
astro.ethz.ch/schawinski
Google Scholar page
6 yrs, 5 mos on Twitter
Tweets: 10/day • 24% new, 33% replies, 25% retweets, 18% quotes
3,107 216 
125. 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
1 yr, 10 mos on Twitter
Tweets: 0.1/day • 37% new, 47% replies, 10% retweets, 5% quotes
3,092 49 
126. profile imageAndy Rivkin
@asrivkin


Planetary astronomer on #TeamAsteroid; Gedankenband member and guitarist; Persistently Obstreperous.
#USAstronomyGoodwillAmbassador
imperturbable-music.blogspot.com
Google Scholar page
9 yrs, 1 mo on Twitter
Tweets: 17/day • 13% new, 67% replies, 12% retweets, 8% quotes
3,037 215 
127. profile imageJorge S. Diaz
@jsdiaz_


Físico teórico; trabajo en equipo de #MachineLearning en SAP. En mi vida anterior jugaba con #neutrinos. Nuclear junkie.
Heidelberg, Germany
jsdiazpo.github.io
Google Scholar page
6 yrs, 1 mo on Twitter
Tweets: 19/day • 24% new, 61% replies, 15% retweets, 1% quotes
2,994 133 
128. 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
8 yrs, 3 mos on Twitter
Tweets: 0.8/day • 44% new, 7% replies, 12% retweets, 37% quotes
2,987 107 
129. profile imageAndrew Pontzen
@apontzen


I do cosmology and piano. Employed by UCL, funded by the Royal Society. It's not their fault when I talk nonsense, though.
London
cosmocrunch.co.uk
Google Scholar page
6 yrs, 11 mos on Twitter
Tweets: 3/day • 24% new, 39% replies, 31% retweets, 6% quotes
2,984 153 
130. profile imageMeghan Gray
@emeegray


Astronomer. Mother. Stranger in a strange land. All views my own.
Nottingham
nottingham.ac.uk/~ppzmeg
6 yrs, 0 mos on Twitter
Tweets: 0.9/day • 20% new, 45% replies, 19% retweets, 17% quotes
2,939 93 
131. profile imageDr Sheila Kanani
@SaturnSheila


@RoyalAstroSoc outreach officer, space(comedienne*educator*ambassador). Coke float drinking pocket rocket, planetary physicist, mum. Cofounder of @STEMMsisters.
LDN, Lytham, MCR (UK)
saturnsheila.wordpress.com
6 yrs, 7 mos on Twitter
Tweets: 3/day • 12% new, 21% replies, 63% retweets, 3% quotes
2,928 177 
132. profile imageDr Maggie Lieu
@Space_Mog


Astrophysicist, @ESA research fellow, Past: @unibirmingham, @UCLA, @UniKent
Community of Madrid, Spain
maggielieu.com
Google Scholar page
4 yrs, 2 mos on Twitter
Tweets: 2/day • 30% new, 52% replies, 18% retweets, 0% quotes
2,912 102 
133. 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
3 yrs, 4 mos on Twitter
Tweets: 4/day • 13% new, 60% replies, 23% retweets, 4% quotes
2,903 135 
134. profile imageTony Rice
@rtphokie


Amateur astronomer, @NASAJPL Solar System Ambassador, and contributor to @WRAL & @WeatherBrains on space topics
Raleigh, NC, USA
about.me/tonyrice
8 yrs, 10 mos on Twitter
Tweets: 4/day • 40% new, 27% replies, 15% retweets, 18% quotes
2,854 198 
135. profile imageKristin Block
@MarsMaven


Spacecraft pro, taiko player, bassist, percussionist. Miami-Tucson-Bay Area. (Not affiliated with the mission @Maven2Mars, just coincidence!) Opinions my own.
San Jose, CA
8 yrs, 1 mo on Twitter
Tweets: 4/day • 10% new, 51% replies, 25% retweets, 16% quotes
2,849 230 
136. profile imageCarolina Ödman
@carolune


(Astro)physicist mum of 2 working in technology, science, development, hacking (the good kind), photography, mostly in a state of happiness.
Planet Earth, most of the time
about.me/carolune
10 yrs, 0 mos on Twitter
Tweets: 3/day • 50% new, 6% replies, 40% retweets, 5% quotes
2,846 215 
137. profile imageAlberto Conti
@albertoconti


Astrophysicist & Innovation Manager google.com/sky/ - hubblesite.org/ibooks Tweets are my own, at least in this multiverse.
MD, USA
en.m.wikipedia.org/wiki/Alberto_C…
Google Scholar page
9 yrs, 0 mos on Twitter
Tweets: 5/day • 60% new, 5% replies, 35% retweets, 1% quotes
2,792 203 
138. profile imageSarah Milkovich
@milkysa


Science Systems Engineer 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
7 yrs, 6 mos on Twitter
Tweets: 2/day • 4% new, 7% replies, 82% retweets, 7% quotes
2,764 187 
139. profile imageGemma Lavender
@Gemma_Lavender


Editor of All About Space magazine, MPhys (Hons) in Astrophysics, FRAS, author of Quantum Physics in Minutes, out now: ow.ly/MMRz30braiv
Quantum Physics in Minutes
1 AU
spaceanswers.com
6 yrs, 2 mos on Twitter
Tweets: 2/day • 40% new, 15% replies, 37% retweets, 8% quotes
2,746 97 
140. profile imageNatalie Starkey
@StarkeyStardust


Started life as a geologist, now sucked into space! Writing a book about the Solar System for @sigmascience. Science host for @StarTalkRadio.
USA/UK
nataliestarkey.com
5 yrs, 5 mos on Twitter
Tweets: 2/day • 15% new, 59% replies, 21% retweets, 6% quotes
2,685 
141. profile imageJen Gupta
@jen_gupta


Space nerd. @UoPCosmology Astrophysics Outreach Officer. @WinSciFest Director. @SeldomSirius host. Active Galaxies were my first love. Views are my own.
Winchester, UK
jengupta.com
7 yrs, 11 mos on Twitter
Tweets: 4/day • 23% new, 61% replies, 5% retweets, 10% quotes
2,673 167 
142. profile imageEmily Petroff
@ebpetroff


Astronomer. Reader. Random number generator. I study things that go bang.
The Netherlands
ebpetroff.com
4 yrs, 0 mos on Twitter
Tweets: 3/day • 42% new, 30% replies, 19% retweets, 9% quotes
2,668 90 
143. profile imagePaul Crowther
@Paul_Crowther


@unisheffield Astrophysics Prof mostly researching Monster Stars. Keen interest in UK sci policy, esp @STFC_Matters's ups & downs
Peoples Republic of Sheffield
pacrowther.staff.shef.ac.uk
Google Scholar page
7 yrs, 7 mos on Twitter
Tweets: 3/day • 38% new, 25% replies, 22% retweets, 15% quotes
2,659 139 
144. 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
9 yrs, 1 mo on Twitter
Tweets: 8/day • 30% new, 44% replies, 15% retweets, 11% quotes
2,606 261 
145. 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
4 yrs, 10 mos on Twitter
Tweets: 2/day • 18% new, 13% replies, 39% retweets, 30% quotes
2,592 117 
146. 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
4 yrs, 1 mo on Twitter
Tweets: 1/day • 46% new, 37% replies, 13% retweets, 4% quotes
2,592 145 
147. profile imageDr Sadie Jones
@SotonAstrodome


Outreach Leader in Astronomy @UniSouthampton Science Communicator & Comedienne @ShowoffTalentFa & Manager of #OurGreatestTeam - We Take Astrophysics To All!
University of Southampton
astrodome.soton.ac.uk
6 yrs, 1 mo on Twitter
Tweets: 4/day • 53% new, 17% replies, 21% retweets, 9% quotes
2,588 158 
148. profile imageJoshua Bloom
@profjsb


Astrophysics professor @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
9 yrs, 1 mo on Twitter
Tweets: 1.0/day • 29% new, 33% replies, 29% retweets, 10% quotes
2,580 230 
149. profile imageHalo CME
@halocme


Solar physicist and advocator of observing the Sun at multiple vantage points to drastically improve space weather forecast, needed for human space exploration.
Palo Alto, California
3 yrs, 9 mos on Twitter
Tweets: 1/day • 58% new, 27% replies, 4% retweets, 10% quotes
2,575 155 
150. profile imageSarah Ballard
@hubbahubble


Habitable worlds, kindness, fiction, etc. At ~75 km/s*Mpc! One half of @drssarahcare
Cambridge, MA
space.mit.edu/~sarahba
3 yrs, 5 mos on Twitter
Tweets: 7/day • 8% new, 9% replies, 78% retweets, 5% quotes
2,545 137 
151. profile imageRobert Massey
@RobertMMassey


Dad, Acting Executive Director RAS. RTs and likes not endorsements, views expressed are my own. For official comment see @royalastrosoc
Bristol (Southville) & London
7 yrs, 11 mos on Twitter
Tweets: 2/day • 32% new, 28% replies, 21% retweets, 20% quotes
2,522 128 
152. 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
8 yrs, 6 mos on Twitter
Tweets: 8/day • 8% new, 63% replies, 28% retweets, 2% quotes
2,513 76 
153. profile imageHaley Gomez
@astrofairy


I'm an Astrophysicist, love books, films astronomy, shoes and dresses.
Cardiff
haley.gomez.me.uk
Google Scholar page
7 yrs, 7 mos on Twitter
Tweets: 2/day • 11% new, 18% replies, 59% retweets, 12% quotes
2,498 158 
154. profile imageZita Martins
@ZitaMartins


Astrobiology researcher. Science communicator. Oficial da Ordem Militar de Sant'Iago da Espada (OSE). Royal Society University Research Fellow. BBC Expert Women
London
imperial.ac.uk/people/z.marti…
Google Scholar page
7 yrs, 1 mo on Twitter
Tweets: 2/day • 22% new, 26% replies, 49% retweets, 4% quotes
2,493 136 
155. 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
3 yrs, 6 mos on Twitter
Tweets: 0.4/day • 51% new, 21% replies, 22% retweets, 6% quotes
2,438 86 
156. profile imageDavid Kipping
@david_kipping


Astronomy Professor @Columbia University | Cool Worlds Lab | @YouTube #CoolWorlds #scicomm channel | #equityinSTEM #exoplanets #astrostatistics #ClimateAction
The Transits of Extrasolar Planet...
0.983-1.017AU
coolworlds.astro.columbia.edu
Google Scholar page
8 yrs, 4 mos on Twitter
Tweets: 1/day • 21% new, 29% replies, 42% retweets, 8% quotes
2,435 124 
157. profile imageEli Bressert
@astrobiased


Love big ideas and putting them into action by connecting the impossible. Innovating at @Netflix through all things data. Singularity University mentor.
SciPy and NumPy
Los Gatos, CA
astrobiased.com
Google Scholar page
8 yrs, 8 mos on Twitter
Tweets: 3/day • 12% new, 12% replies, 75% retweets, 2% quotes
2,432 226 
158. profile imageDr. Alex Lockwood
@AskAstroAlex


Alliterative atypical astrophysicist. I do what I do with passion, compassion, and a little help from my friends.
phdcomics.com/tv
4 yrs, 7 mos on Twitter
Tweets: 0.5/day • 29% new, 33% replies, 35% retweets, 2% quotes
2,431 108 
159. profile imageRachael Livermore
@rhaegal


British Astrophysicist & tea lover. I critique Star Trek science at snarkyastronomer.tumblr.com Videos of my public talks at bit.ly/SciTalks
Austin, TX
rlivermore.com
9 yrs, 1 mo on Twitter
Tweets: 9/day • 16% new, 59% replies, 17% retweets, 6% quotes
2,428 144 
160. 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
7 yrs, 11 mos on Twitter
Tweets: 2/day • 23% new, 18% replies, 43% retweets, 16% quotes
2,379 106 
161. 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
8 yrs, 3 mos on Twitter
Tweets: 3/day • 16% new, 12% replies, 63% retweets, 10% quotes
2,355 250 
162. profile imageGeert Barentsen
@GeertHub


NASA Astronomer in Silicon Valley • Kepler/K2 GO Director • Thinks Bayesian • Wields Python • Likes Burritos • Does not own a cat. 🚀🌯😾
Mountain View, CA
geert.io
8 yrs, 2 mos on Twitter
Tweets: 2/day • 32% new, 59% replies, 1% retweets, 8% quotes
2,269 158 
163. profile imageBrian Koberlein
@BrianKoberlein


The Universe is awesome, let me tell you.
Astrophysics through Computation
Rochester NY
briankoberlein.com
6 yrs, 10 mos on Twitter
Tweets: 1/day • 68% new, 22% replies, 9% retweets, 0% quotes
2,228 165 
164. profile imageJonathan Tedds
@jtedds


Health, Enviro, Astro, Research Data Informatics. Snr Research Fellow, Uni Leicester. Lead @BRISSKit @REDinfx Ed-in-Chief @up_healthdata Chair OWL Schools Trust
Leicestershire, various UK
www2.le.ac.uk/departments/he…
Google Scholar page
8 yrs, 0 mos on Twitter
Tweets: 3/day • 14% new, 7% replies, 77% retweets, 1% quotes
2,222 161 
165. 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…
4 yrs, 5 mos on Twitter
Tweets: 4/day • 17% new, 17% replies, 60% retweets, 6% quotes
2,194 96 
166. profile imageErin 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.
Charlottesville VA
erinleeryan.com
7 yrs, 10 mos on Twitter
Tweets: 19/day • 30% new, 69% replies, 0% retweets, 2% quotes
2,186 204 
167. profile imageHolger Voss
@SpaceHolgar


Space geek, Space & STEM educator, Astrophysicist worked for #GaiaMission, Scale model rocketeer, Mission director #MoonDot missions of @Mausonaut
Barcelona-Darmstadt-Universe
mausonaut.wordpress.com
4 yrs, 0 mos on Twitter
Tweets: 10/day • 0% new, 5% replies, 95% retweets, 0% quotes
2,170 174 
168. profile imageJC Holbrook
@astroholbrook


Astrophysicist turned Cultural Astronomer via Anthropology and History of Science. Hubble's Diverse Universe createspace.com/410482 BlackSunMovie.com
Kaapstad, ZA
uwcastro.org/group-members/…
Google Scholar page
8 yrs, 0 mos on Twitter
Tweets: 1/day • 43% new, 7% replies, 45% retweets, 6% quotes
2,143 112 
169. profile imageKonstantin Batygin
@kbatygin


Planetary Science Prof @ Caltech // Vox & Guitar @ TheSeventhSeason.net // Husband // Dad
Pasadena, CA
konstantinbatygin.com
Google Scholar page
1 yr, 6 mos on Twitter
Tweets: 1/day • 40% new, 41% replies, 13% retweets, 6% quotes
2,112 72 
170. profile imageJJ Eldridge
@astro_jje


NZ Astrophysicist warrior princess studying exploding binary stars. Lecturer, Speaker, Sci-fi addict, feminist, trans/genderfluid, prefers them/they pro-nouns.
The Lives and Death-Throes of Mas...
Auckland, New Zealand
about.me/jj.eldridge
Google Scholar page
4 yrs, 3 mos on Twitter
Tweets: 16/day • 23% new, 47% replies, 28% retweets, 2% quotes
2,092 79 
171. profile imageMichael Busch
@michael_w_busch


Planetary astronomer, currently based at the SETI Institute. Drinker of tea. Opinions expressed here are strictly my own. To bigotry no sanction.
seti.org/users/mbusch
4 yrs, 0 mos on Twitter
Tweets: 21/day • 6% new, 58% replies, 7% retweets, 29% quotes
2,076 125 
172. profile imageDr. John Barentine
@JohnBarentine


Astronomer, historian, author, politiphile, instigator, proud LGBT American | #scicomm #scipol #ScienceResists #StandUpForScience
Uncharted Constellations
The Lost Constellations
Tucson, AZ, USA
johncbarentine.com
Google Scholar page
7 yrs, 3 mos on Twitter
Tweets: 10/day • 30% new, 26% replies, 23% retweets, 22% quotes
2,062 188 
173. profile imageYvette Cendes
@whereisyvette


Hungarian-American radio astronomy PhD in Amsterdam, alias /u/Andromeda321. Only person who's been to Everest Base Camp AND punched by a wild mountain gorilla.
Amsterdam, Netherlands
yvettecendes.com
7 yrs, 4 mos on Twitter
Tweets: 5/day • 60% new, 19% replies, 15% retweets, 4% quotes
2,049 179 
174. 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
5 yrs, 8 mos on Twitter
Tweets: 2/day • 4% new, 29% replies, 39% retweets, 28% quotes
2,046 129 
175. profile imageLouisa Preston
@LouisaJPreston


Astrobiologist, planetary geologist. @spacegovuk Aurora Research Fellow, @TEDFellow & author of 'Goldilocks and the Water Bears' for @sigmascience
London
louisa-preston.com
Google Scholar page
5 yrs, 3 mos on Twitter
Tweets: 2/day • 42% new, 25% replies, 23% retweets, 10% quotes
2,040 120 
176. profile imageMark Bentley
@msbentley


Planetary scientist @OEAW @IWF_Graz researching comets. PI of @RosettaMIDAS onboard @ESA_Rosetta. @ISUnet '01 alumn, #openscience fan. orcid.org/0000-0002-4780…
Graz, Austria
lunartech.org
Google Scholar page
9 yrs, 8 mos on Twitter
Tweets: 2/day • 14% new, 21% replies, 56% retweets, 8% quotes
2,040 159 
177. profile imageJason Kalirai
@JasonKalirai


Canadian-born NASA Astrophysicist. JWST Project Scientist, BIG fan of Hubble, WFIRST, & LSST. HUGE Dallas Cowboys football fan. Love MMSJ. Tweets are my own.
Ellicott City, MD
jasonkalirai.com
6 yrs, 0 mos on Twitter
Tweets: 1/day • 82% new, 1% replies, 17% retweets, 0% quotes
2,023 88 
178. profile imageJason Marshall
@jasonmarshall


Author of Math Dude's Guide to Algebra; Former host of Math Dude podcast; Physics & astronomy professor
Los Angeles, CA
jasonmarshall.org
9 yrs, 4 mos on Twitter
Tweets: 0.8/day • 45% new, 13% replies, 43% retweets, 0% quotes
2,015 124 
179. profile imageBenjamin Pope
@fringetracker


Astronomer, Bayesian, foodie
Eora Country
benjaminpope.github.io
Google Scholar page
4 yrs, 6 mos on Twitter
Tweets: 12/day • 3% new, 52% replies, 41% retweets, 4% quotes
1,994 69 
180. profile imageStephen Serjeant
@StephenSerjeant


Professor of Astronomy at the Open University, roped into various OU/BBC things too. 13.1. Likes often = bookmarks. The 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
8 yrs, 4 mos on Twitter
Tweets: 5/day • 8% new, 34% replies, 39% retweets, 20% quotes
1,971 160 
181. profile imageRobert Rutledge
@rerutled


Associate Professor @McGillUPhysics. Astrophysicist. Neutron Stars. Founder, Publisher of The Astronomer's Telegram. @astronomerstel. View here are my own.
Montreal, QC
physics.mcgill.ca/~rutledge/
9 yrs, 8 mos on Twitter
Tweets: 4/day • 17% new, 25% replies, 35% retweets, 23% quotes
1,970 134 
182. profile imageDerek Fox
@partialobs


Research astronomer and faculty member at Penn State University. This is a personal Twitter account.
Earth
astro.psu.edu/~dfox/
8 yrs, 4 mos on Twitter
Tweets: 3/day • 6% new, 13% replies, 78% retweets, 2% quotes
1,957 74 
183. 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
8 yrs, 5 mos on Twitter
Tweets: 1/day • 30% new, 39% replies, 23% retweets, 8% quotes
1,956 130 
184. 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
8 yrs, 3 mos on Twitter
Tweets: 1/day • 24% new, 57% replies, 14% retweets, 5% quotes
1,954 111 
185. profile imageMeredith Rawls
@merrdiff


Stellar astronomer and data management for @LSST. Also: scicommer, violist, Episcopalian. Less nighttime blue light, more 24/7 equity. Keep looking up.
Seattle, WA
faculty.washington.edu/mrawls
7 yrs, 5 mos on Twitter
Tweets: 5/day • 31% new, 46% replies, 9% retweets, 14% quotes
1,953 161 
186. 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
6 yrs, 2 mos on Twitter
Tweets: 7/day • 14% new, 54% replies, 21% retweets, 12% quotes
1,927 74 
187. profile imageJessie Christiansen
@aussiastronomer


Exoplanet scientist, purveyor of fine @NASAKepler data, and science curator at @NASAExoplanetArchive.
Caltech, Pasadena, CA, USA
spider.ipac.caltech.edu/staff/christia/
3 yrs, 6 mos on Twitter
Tweets: 5/day • 22% new, 52% replies, 11% retweets, 14% quotes
1,919 95 
188. 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
7 yrs, 4 mos on Twitter
Tweets: 2/day • 54% new, 19% replies, 13% retweets, 15% quotes
1,918 119 
189. 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
5 yrs, 7 mos on Twitter
Tweets: 5/day • 10% new, 3% replies, 85% retweets, 2% quotes
1,916 128 
190. 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
6 yrs, 3 mos on Twitter
Tweets: 4/day • 38% new, 1% replies, 61% retweets, 0% quotes
1,909 96 
191. profile imageDan F-M
@exoplaneteer


I write code for good & astrophysics.
Seattle
dfm.io
Google Scholar page
5 yrs, 11 mos on Twitter
Tweets: 1/day • 14% new, 81% replies, 5% retweets, 0% quotes
1,907 80 
192. profile imageJennifer L. Hoffman
@astroprofhoff


    Astronomer, associate professor, alto, auntie, ailurophile.  University of Denver
Stellar Polimetry
Denver, CO
grammai.org/jhoffman/
3 yrs, 6 mos on Twitter
Tweets: 12/day • 9% new, 20% replies, 59% retweets, 12% quotes
1,901 134 
193. profile imageAnais Rassat
@anaisrassat


Science. Interested in tech, innovation & science policy. Knowledge Transfer @CERN #CERNKT. Formerly @EPFL, @CEASaclay, @UCL . Celebrating #Einstein100. TCK.
anaisrassat.tumblr.com
7 yrs, 5 mos on Twitter
Tweets: 1/day • 55% new, 13% replies, 25% retweets, 6% quotes
1,891 136 
194. profile imageChristina R.
@PlanSciCRichey


Planetary Scientist/Astrophysicist, fighter for inclusion in STEM, runner, wine drinker, making my mom proud since '82; views are my own.
womeninastronomy.blogspot.com
1 yr, 10 mos on Twitter
Tweets: 6/day • 16% new, 17% replies, 59% retweets, 8% quotes
1,857 92 
195. profile imageAnna Watts
@drannawatts


Associate Professor of Astrophysics @ University of Amsterdam. Neutron stars. Mom, Yorkshire-Scot in the Flatlands. 'Particles in stars blah blah.'
Amsterdam
staff.fnwi.uva.nl/a.l.watts/
Google Scholar page
3 yrs, 1 mo on Twitter
Tweets: 11/day • 25% new, 49% replies, 21% retweets, 6% quotes
1,844 102 
196. profile imageRachana Bhatawdekar
@AstroRach


PhD astronomer @UniofNottingham. I find and study the faintest and the most distant galaxies in the Universe beyond @NASA_Hubble's reach. #FrontierFields
Earth, Orion Arm, MW, Laniakea
nottingham.ac.uk/~ppxrb2
7 yrs, 8 mos on Twitter
Tweets: 3/day • 22% new, 33% replies, 35% retweets, 8% quotes
1,831 130 
197. 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
5 yrs, 1 mo on Twitter
Tweets: 7/day • 8% new, 31% replies, 45% retweets, 16% quotes
1,813 144 
198. profile imageAnthony Rushton
@Astronomer


Marie Curie fellow - Interests: Astronomy & astrophysics, black holes, neutron stars, accretion and jets
University of Oxford
www2.physics.ox.ac.uk/contacts/peopl…
10 yrs, 2 mos on Twitter
Tweets: 0.8/day • 34% new, 32% replies, 33% retweets, 1% quotes
1,811 168 
199. profile imageDr Roberto Trotta
@R_Trotta


Astrophysicist @imperialcollege | science communicator | author of edge-of-the-sky.com | @CLCCDirector | statistical consultant | runner. Opinions my own.
The Edge of the Sky
London
robertotrotta.com
3 yrs, 5 mos on Twitter
Tweets: 7/day • 27% new, 35% replies, 26% retweets, 12% quotes
1,804 123 
200. 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
8 yrs, 3 mos on Twitter
Tweets: 2/day • 10% new, 8% replies, 77% retweets, 5% quotes
1,800 65 
201. profile imageBrad Tucker
@btucker22


Astrophysicist/Cosmologist - loves exploding stars, talking about space and science. Also mexican food, growing chilis, hot sauces, and my naughty Beagle.
Canberra / Bay Area / Airplane
mso.anu.edu.au/~brad
8 yrs, 1 mo on Twitter
Tweets: 2/day • 16% new, 45% replies, 36% retweets, 4% quotes
1,799 102 
202. profile imagejulie_rathbun
@LokiVolcano


Planetary scientist studying volcanoes on Io (favorite is Loki). Teaches physics at University of Redlands.
4 yrs, 9 mos on Twitter
Tweets: 7/day • 10% new, 25% replies, 59% retweets, 4% quotes
1,793 
203. profile imageAstro ⭐️ Xan
@InvaderXan


もう知らない…
Wakanda
supernovacondensate.net
8 yrs, 3 mos on Twitter
Tweets: 11/day • 6% new, 69% replies, 15% retweets, 10% quotes
1,785 
204. profile imageHannah Wakeford
@StellarPlanet


2017 Giacconi Fellow @STScI | Currently @exo_cast podcaster, @BSACDIVER & @NASAGoddard Fellow | Previously @UniofExeter PhD | All opinions expressed are my own
stellarplanet.co.uk
5 yrs, 10 mos on Twitter
Tweets: 5/day • 54% new, 21% replies, 15% retweets, 8% quotes
1,770 146 
205. 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
9 yrs, 1 mo on Twitter
Tweets: 4/day • 29% new, 31% replies, 34% retweets, 6% quotes
1,748 88 
206. profile imageAndy Howell
@d_a_howell


Astronomer at Las Cumbres Observatory, physics faculty at UCSB. Copernicus on Ain't It Cool News. Sometime TV dude, and one half of @ScienceVsCinema.
Santa Barbara, CA
dahowell.com
8 yrs, 2 mos on Twitter
Tweets: 2/day • 34% new, 21% replies, 36% retweets, 10% quotes
1,747 94 
207. profile imageElisabeth Newton
@EllieInSpace


Studying the stars with my feet on the ground. Astro grad interested in #scicomm, education & diversity. Climber, brewer, baker, crafter & @astrobites author.
Cambridge, MA.
cfa.harvard.edu/~enewton
6 yrs, 1 mo on Twitter
Tweets: 1/day • 22% new, 36% replies, 39% retweets, 2% quotes
1,745 100 
208. profile imageLaura Seward Forczyk
@LauraForczyk


Founder @Astralytical. Space professional, scientist, #FutureAstronaut and #feminist. I tweet about NASA, women in science, aerospace industry, & space policy.
Atlanta, GA
astralytical.com
7 yrs, 3 mos on Twitter
Tweets: 3/day • 58% new, 35% replies, 5% retweets, 2% quotes
1,737 106 
209. profile imageJo Dunkley
@j_dunkley


Professor of Physics and Astrophysics at Princeton
Princeton, NJ
physics.princeton.edu/~jdunkley
5 yrs, 9 mos on Twitter
Tweets: 0.2/day • 33% new, 13% replies, 46% retweets, 8% quotes
1,708 86 
210. profile imagePhil Diamond
@SKA_DG


SKA Director General; husband, father, dedicated Manchester United fan
SKA HQ. Jodrell Bank
8 yrs, 0 mos on Twitter
Tweets: 0.6/day • 14% new, 5% replies, 58% retweets, 24% quotes
1,702 98 
211. profile imageJames Davenport
@jradavenport


Astronomy PhD, Postdoctoral Fellow, blogger, casual data analyst, Seattleite. All opinions are my own.
jradavenport.github.io
Google Scholar page
5 yrs, 2 mos on Twitter
Tweets: 8/day • 8% new, 35% replies, 51% retweets, 6% quotes
1,670 151 
212. 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
6 yrs, 6 mos on Twitter
Tweets: 0.9/day • 40% new, 42% replies, 9% retweets, 9% quotes
1,660 103 
213. profile imageAndrew Jaffe
@defjaf


Astrophysics, cosmology and more
Bayesian Methods in Cosmology
London
andrewjaffe.net/blog
10 yrs, 4 mos on Twitter
Tweets: 0.8/day • 43% new, 17% replies, 37% retweets, 3% quotes
1,595 120 
214. profile imageAlejandro Sánchez
@pmisson


Astrofísico, trabajo en contaminación lumínica (@cities4tnight) y meteoros. Colaboro con @orison_eu @IDADarkSky @stars4all_eu @iaaucc
Granada, España
pmisson.blogspot.com
Google Scholar page
7 yrs, 3 mos on Twitter
Tweets: 3/day • 10% new, 17% replies, 73% retweets, 0% quotes
1,567 113 
215. 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
9 yrs, 0 mos on Twitter
Tweets: 2/day • 26% new, 24% replies, 46% retweets, 4% quotes
1,559 152 
216. 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…
4 yrs, 2 mos on Twitter
Tweets: 3/day • 46% new, 23% replies, 28% retweets, 2% quotes
1,552 76 
217. profile imageJani Radebaugh
@radjanirad


Planetary scientist, BYU geology professor, purposeful explorer, aimless wanderer
Provo, UT, USA
lpl.arizona.edu/~jani/photos
Google Scholar page
4 yrs, 4 mos on Twitter
Tweets: 0.9/day • 68% new, 13% replies, 13% retweets, 4% quotes
1,544 81 
218. profile imagePriyamvada Natarajan
@SheerPriya


@Yale astrophysicist, works on exotica in the universe: dark matter, black holes; book: Mapping the Heavens • https://t.co/DuzePWH0Ul
Mapping the Heavens
The Shapes Of Galaxies and their ...
New Haven, CT
amazon.com/gp/aw/d/030020…
Google Scholar page
1 yr, 4 mos on Twitter
Tweets: 0.9/day • 46% new, 43% replies, 3% retweets, 8% quotes
1,533 62 
219. profile imageTamara Davis
@tamarastro


Astro-frisbeer. Enjoying the Universe's playground.
Brisbane
smp.uq.edu.au/people/TamaraD…
8 yrs, 9 mos on Twitter
Tweets: 0.2/day • 43% new, 24% replies, 27% retweets, 6% quotes
1,531 
220. 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
6 yrs, 4 mos on Twitter
Tweets: 0.9/day • 40% new, 1% replies, 56% retweets, 3% quotes
1,528 98 
221. 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, MD, mountains
aurorasaurus.org
Google Scholar page
5 yrs, 8 mos on Twitter
Tweets: 3/day • 21% new, 7% replies, 64% retweets, 8% quotes
1,501 108 
222. profile imageBecky Smethurst
@becky1505


Astrophysicist researching galaxies & black holes | Presenter of videos for @sixtysymbols | @galaxyzoo | @dotastronomy | #scicomm | Enthusiasm reigns here!
Nottingham, UK
rebeccasmethurst.co.uk
8 yrs, 3 mos on Twitter
Tweets: 1/day • 26% new, 57% replies, 12% retweets, 5% quotes
1,473 85 
223. profile imageJillian Scudder
@Jillian_Scudder


PhD in astrophysics. Incoming assistant professor at @oberlincollege! I study galaxies & write @astroquizzical (appearing in Forbes).
jillianscudder.com
Google Scholar page
4 yrs, 11 mos on Twitter
Tweets: 4/day • 30% new, 37% replies, 22% retweets, 12% quotes
1,468 112 
224. 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
3 yrs, 5 mos on Twitter
Tweets: 8/day • 30% new, 47% replies, 22% retweets, 2% quotes
1,465 65 
225. 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
8 yrs, 3 mos on Twitter
Tweets: 1.0/day • 46% new, 35% replies, 15% retweets, 4% quotes
1,452 74 
226. profile imageMichael Brown
@MJIBrown


Astronomer, Monash University academic, Conversation contributor, no fan of pseudo-science.
Melbourne, Australia
theconversation.com/profiles/micha…
Google Scholar page
4 yrs, 0 mos on Twitter
Tweets: 20/day • 28% new, 27% replies, 39% retweets, 6% quotes
1,436 113 
227. 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
4 yrs, 4 mos on Twitter
Tweets: 1/day • 98% new, 3% replies, 0% retweets, 0% quotes
1,433 67 
228. profile imageMatt Mechtley ☕️💻✊
@biphenyl


Dot Product Enthusiast • Unity/C# Game Dev • Formerly: Quasar Astronomy/Data Science, Blurst, PowerGlove innovator
A mote of dust in a sunbeam
biphenyl.org
9 yrs, 6 mos on Twitter
Tweets: 4/day • 10% new, 10% replies, 75% retweets, 6% quotes
1,433 112 
229. 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
3 yrs, 1 mo on Twitter
Tweets: 6/day • 42% new, 23% replies, 21% retweets, 14% quotes
1,431 60 
230. profile imageAstronomer
@ArifSolmaz


Astrophysics PhD student, Communication Scientist
Mersin, Türkiye
cag.edu.tr/arif-solmaz
8 yrs, 2 mos on Twitter
Tweets: 3/day • 6% new, 3% replies, 91% retweets, 1% quotes
1,420 128 
231. profile imageEd Rivera-Valentín
@PlanetTreky


Planetary Scientist at @[email protected] #TeamRadar w/ @AreciboRadar. Manager of @AOSpaceAcademy. Trekker of Planets! Tweets=own #Boricua #LatinxInSTEM
Arecibo, PR
naic.edu/~eriverav
4 yrs, 4 mos on Twitter
Tweets: 7/day • 28% new, 33% replies, 20% retweets, 20% quotes
1,400 87 
232. profile imageJonathan Fortney
@jjfplanet


Professor at UC Santa Cruz & Director of Other Worlds Laboratory. Modeler of planetary atmospheres & interiors. Father, Softballer, Runner, Surfer?, Minnesotan.
Santa Cruz, CA
ucolick.org/~jfortney/
Google Scholar page
5 yrs, 5 mos on Twitter
Tweets: 0.8/day • 32% new, 33% replies, 25% retweets, 9% quotes
1,379 68 
233. profile imageElizabeth Tasker
@girlandkat


UK astrophysicist working at the Japan Aerospace Exploration Agency (JAXA). Author of 'The Planet Factory', @sigmascience out 09/2017 (views are my own~)
The Planet Factory
Japan
about.me/elizabethtasker
5 yrs, 8 mos on Twitter
Tweets: 9/day • 35% new, 38% replies, 19% retweets, 8% quotes
1,374 94 
234. profile imageJohanna
@johannateske


Astronomer, runner, educator, feminist, vegan, baker, #Nats fan
Pasadena, CA
johannateske.virb.com
Google Scholar page
3 yrs, 6 mos on Twitter
Tweets: 11/day • 27% new, 45% replies, 19% retweets, 10% quotes
1,374 107 
235. 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
6 yrs, 5 mos on Twitter
Tweets: 1/day • 12% new, 12% replies, 75% retweets, 0% quotes
1,355 49 
236. 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
8 yrs, 6 mos on Twitter
Tweets: 3/day • 14% new, 33% replies, 39% retweets, 15% quotes
1,333 84 
237. profile imageRuth Angus
@ruthangus


Researching exoplanets & rebugging in python.
Oxford, UK
ruthang.us
6 yrs, 2 mos on Twitter
Tweets: 0.3/day • 46% new, 45% replies, 8% retweets, 1% quotes
1,328 68 
238. profile imageAshley Pagnotta
@ashpags


Astronomer, Knitter, Fangirl, Texas Aggie, LSU Tiger. Tex-Pat living in NYC and postdoc-ing at AMNH. This is my personal Twitter. 👻 = ashleypagnotta
New York, NY
about.me/ashley.pagnotta
9 yrs, 0 mos on Twitter
Tweets: 22/day • 2% new, 95% replies, 0% retweets, 2% quotes
1,322 94 
239. 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
7 yrs, 6 mos on Twitter
Tweets: 17/day • 22% new, 31% replies, 25% retweets, 22% quotes
1,320 74 
240. profile imageJorge Melendez
@DrJorgeMelendez


Astrônomo USP. Ensino, Divulgação e Pesquisa em Planetas-Estrelas-Galáxia. Astronomer @ Univ. São Paulo. Teaching, Outreach and Research in Planets-Stars-Galaxy
www.astro.iag.usp.br/~jorge/
explainingtheuniverse.blogspot.com.br
Google Scholar page
2 yrs, 11 mos on Twitter
Tweets: 5/day • 66% new, 4% replies, 27% retweets, 4% quotes
1,308 32 
241. profile imageJonathan Pritchard
@jr_pritchard


Imperial astrophysicist and bewildered vagabond. SKA enthusiast. (opinions mine, not employer's)
Richmond, London
pritchardjr.github.io
Google Scholar page
6 yrs, 6 mos on Twitter
Tweets: 4/day • 37% new, 29% replies, 29% retweets, 5% quotes
1,293 80 
242. profile imageJamie Molaro
@spacejammie


Planetary scientist. Feminist. Humanist (the actual kind, not the sexist kind). Artist. Probably some other -ists. Postdoc at NASA JPL [tweets my own] [she/her]
Altadena, CA
jmolaro.com
Google Scholar page
9 yrs, 5 mos on Twitter
Tweets: 4/day • 18% new, 28% replies, 51% retweets, 4% quotes
1,293 71 
243. profile imageHugh Osborn
@exohugh


Exoplanet-hunting astronomer half way between the Midlands (UK) and the Med (FR). Occasional science blogger/podcaster. Expert procrastinator. Views my own
UK
hughosborn.co.uk/lostintransits
7 yrs, 11 mos on Twitter
Tweets: 4/day • 38% new, 46% replies, 6% retweets, 10% quotes
1,289 79 
244. profile imageJesús Martínez-Frías
@J_MartinezFrias


Planetary Geology/Astrobiology, IGEO (CSIC-UCM), NASA/ESA missions. IAU/EGU Astrobiology. President, IAGETH. Director, REDESPA. Lanzarote analog. ESA-PANGAEA
Madrid, Comunidad de Madrid
tierra.rediris.es/jmfrias
Google Scholar page
6 yrs, 6 mos on Twitter
Tweets: 15/day • 0% new, 9% replies, 90% retweets, 0% quotes
1,278 125 
245. profile imageNathalie Ouellette
@AngryAstroPanda


#Astrophysicist, PhD * Part-Time Elf * Full-Time Angry Panda * Dog Lover * #Hapa * Mrs.@pr0zac. Science should be accessible to all! #scicomm
Ottawa, Ontario
astropanda.space
4 yrs, 9 mos on Twitter
Tweets: 0.7/day • 21% new, 45% replies, 18% retweets, 16% quotes
1,273 25 
246. profile imageAdam Burgasser
@browndwarfs


astrophysicist, professor, and preferably in the water.
on a plane, or San Diego
pono.ucsd.edu/~adam
Google Scholar page
6 yrs, 11 mos on Twitter
Tweets: 0.6/day • 27% new, 40% replies, 31% retweets, 3% quotes
1,272 51 
247. profile imageTeresa Anderson
@_TeresaAnderson


Director, @jodrellbank Discovery Centre, The University of Manchester, Science-Culture Director @bluedotfestival , Chair @DaphneJacksonTr , All views my own etc
Jodrell Bank & Manchester
8 yrs, 5 mos on Twitter
Tweets: 1/day • 4% new, 14% replies, 67% retweets, 15% quotes
1,268 40 
248. 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
7 yrs, 2 mos on Twitter
Tweets: 3/day • 13% new, 12% replies, 51% retweets, 24% quotes
1,263 104 
249. profile imageRob Thacker
@DrRob_Thacker


Astrophysics Prof at SMU Halifax, catch me on CBC Radio 1 Mondays @ 4. Sitting at the intersection of science and society. Piecing together galaxies bit by bit.
Halifax, Canada
ap.smu.ca/~thacker
7 yrs, 4 mos on Twitter
Tweets: 5/day • 20% new, 69% replies, 8% retweets, 2% quotes
1,252 119 
250. profile imageAdam Becker
@freelanceastro


Freelance astrophysicist. I write, speak, and code science stuff. #scicomm, #openscience, #resist. Email updates: tinyletter.com/freelanceastro
Oakland, CA
freelanceastro.com
Google Scholar page
7 yrs, 2 mos on Twitter
Tweets: 0.6/day • 20% new, 49% replies, 31% retweets, 1% quotes
1,248 99 
251. 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…
4 yrs, 0 mos on Twitter
Tweets: 2/day • 60% new, 19% replies, 21% retweets, 1% quotes
1,247 79 
252. profile imageCourtney Dressing
@AstroDressing


I'm an astronomer looking for potentially Earth-like planets around nearby stars.
Pasadena, CA
gps.caltech.edu/~dressing
2 yrs, 7 mos on Twitter
Tweets: 0.2/day • 37% new, 31% replies, 29% retweets, 3% quotes
1,231 37 
253. 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
8 yrs, 4 mos on Twitter
Tweets: 4/day • 10% new, 50% replies, 36% retweets, 4% quotes
1,227 57 
254. profile imageKevin Peter Hand
@Alienoceans


Highland Park, Los Angeles
4 yrs, 7 mos on Twitter
Tweets: 0.1/day • 31% new, 24% replies, 40% retweets, 5% quotes
1,215 50 
255. profile imageAstroPhD Katey ✨
@astrokatey


The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars. - Carl Sagan
Pasadena, CA
9 yrs, 1 mo on Twitter
Tweets: 2/day • 26% new, 33% replies, 17% retweets, 24% quotes
1,208 55 
256. profile imageLiberal Intellectual
@davecl42


Astrophysicist; SF writer. Short story collection Disturbed Universes available now! Tweets my own.
Disturbed Universes
Infrared Astronomy – Seeing the...
Quasar Hosts
iPhone: 51.497821,-0.179038
davecl.wordpress.com
8 yrs, 1 mo on Twitter
Tweets: 15/day • 22% new, 19% replies, 59% retweets, 0% quotes
1,203 149 
257. profile imageTom Barclay
@mrtommyb


Astronomer/astrophysicist. I study planets orbiting other stars and go to punk rock shows.
Silver Spring, MD
tombarclay.com
Google Scholar page
8 yrs, 0 mos on Twitter
Tweets: 1/day • 28% new, 69% replies, 0% retweets, 2% quotes
1,201 70 
258. 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
6 yrs, 11 mos on Twitter
Tweets: 3/day • 34% new, 34% replies, 25% retweets, 7% quotes
1,195 84 
259. profile imageEmily Levesque
@emsque


The real exciting sound in science is not, 'Eureka!' It's, 'Wow, that's weird.'
Seattle, WA
emlevesque.com
7 yrs, 5 mos on Twitter
Tweets: 0.6/day • 18% new, 61% replies, 15% retweets, 7% quotes
1,195 39 
260. profile imageSusanna Kohler
@susannakohler


Astrophysics PhD, science writer at the American Astronomical Society (@AASNova), science communication enthusiast. Views are my own.
Pasadena, CA
4 yrs, 0 mos on Twitter
Tweets: 0.4/day • 29% new, 18% replies, 37% retweets, 16% quotes
1,193 34 
261. profile imageProf. Jorge Moreno
@astroboy_moreno


Theoretical Astrophysicist | Visiting Scholar at Harvard | AAS CSMA Chair | Assistant Professor at Pomona College | Indigenous-Latinx
Cambridge, MA
jmorenosoto.wix.com/astroboy-moreno
2 yrs, 11 mos on Twitter
Tweets: 1/day • 38% new, 6% replies, 19% retweets, 38% quotes
1,188 39 
262. profile imageJaime Zamorano
@cefalopodo


astrofísico (UCM), otro fotógrafo aficionado. Vigilando los fotómetros de REECL https://t.co/EHjDruHHbz
Highlights of Spanish Astrophysic...
Highlights of Spanish Astrophysic...
Highlights of Spanish Astrophysic...
Madrid (Spain)
stars4all.eu
Google Scholar page
10 yrs, 3 mos on Twitter
Tweets: 4/day • 6% new, 1% replies, 88% retweets, 4% quotes
1,188 99 
263. profile imageAlan Fitzsimmons
@FitzsimmonsAlan


Astronomer @astroqub and banoffee pie maker. Views, opinions and occasional profanity all my own. Yes, I'm wearing an asteroid on my head.
alanfitzsimmons.wordpress.com
5 yrs, 6 mos on Twitter
Tweets: 2/day • 31% new, 29% replies, 39% retweets, 2% quotes
1,173 55 
264. 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
Claremont CA
tylernordgren.com
4 yrs, 4 mos on Twitter
Tweets: 0.7/day • 27% new, 44% replies, 26% retweets, 3% quotes
1,167 59 
265. 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
7 yrs, 7 mos on Twitter
Tweets: 1/day • 32% new, 19% replies, 39% retweets, 10% quotes
1,165 52 
266. profile imagePaul A. Wilson
@Paul_A_Wilson


→ Observational Astronomer with background in Exoplanet atmospheres. Currently working as a @astro4dev fellow.
Cape Town, South Africa
paulanthonywilson.com
8 yrs, 3 mos on Twitter
Tweets: 0.7/day • 52% new, 36% replies, 12% retweets, 0% quotes
1,154 73 
267. profile imageAdrian Price-Whelan
@adrianprw


astrophysics postdoc @ Princeton, galaxy dynamics github.com/adrn facebook.com/operatormusicb…
Princeton, NJ
adrian.pw
Google Scholar page
6 yrs, 1 mo on Twitter
Tweets: 2/day • 18% new, 51% replies, 23% retweets, 8% quotes
1,154 56 
268. 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…
8 yrs, 4 mos on Twitter
Tweets: 0.7/day • 80% new, 8% replies, 5% retweets, 6% quotes
1,153 55 
269. profile imageAlexander B Fry
@TheAstronomist


Hazy cosmonaut, raconteur, astronomy PhD. Thoughts randomly seeded on science, culture, art, philosophy, astrophysics.
Seattle
commonobserver.com
8 yrs, 2 mos on Twitter
Tweets: 1.0/day • 64% new, 11% replies, 24% retweets, 0% quotes
1,134 169 
270. profile imageBenneHolwerda
@BenneHolwerda


Astronomer at large (mostly harmless). University of Louisville. Opinions & typos obv my own.
Louisville, KY
Google Scholar page
9 yrs, 0 mos on Twitter
Tweets: 4/day • 34% new, 41% replies, 18% retweets, 8% quotes
1,128 66 
271. profile imageA R Cooray
@acooray


Physicist ex @MIT @Caltech now @UCIrvine, NASA/ESA missions/cameras. Chair @NASAOriginsTele PI CDIM CoI SPHEREx & others, consultant, tech startups, new techs
Applications Of Halo Approach To ...
CMB Polarization Workshop
herschel.uci.edu
Google Scholar page
8 yrs, 11 mos on Twitter
Tweets: 2/day • 4% new, 1% replies, 77% retweets, 17% quotes
1,126 69 
272. profile imageMichelle Collins
@michelle_lmc


Astrophysics Lecturer @surreyastro, working on Local Group galaxies. Soft spot for Andromeda. Keen runner therunningastronomer.com
Guildford, England
astromichelle.wordpress.com
8 yrs, 2 mos on Twitter
Tweets: 3/day • 44% new, 25% replies, 27% retweets, 3% quotes
1,125 55 
273. 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
8 yrs, 5 mos on Twitter
Tweets: 0.3/day • 17% new, 8% replies, 69% retweets, 7% quotes
1,124 36 
274. profile imageSteinn Sigurdsson
@steinly0


Icelandic Theoretical Astrophysicist. Planets, Stars, Galaxies, Black Holes and Stuff. Whole Universes, If Needed. Dynamics of Cats; To Say Nothing of The Dog.
scienceblogs.com/catdynamics
6 yrs, 9 mos on Twitter
Tweets: 3/day • 23% new, 20% replies, 35% retweets, 22% quotes
1,124 85 
275. 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
3 yrs, 6 mos on Twitter
Tweets: 2/day • 37% new, 21% replies, 30% retweets, 12% quotes
1,116 56 
276. 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
7 yrs, 4 mos on Twitter
Tweets: 0.4/day • 36% new, 18% replies, 22% retweets, 24% quotes
1,090 91 
277. 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
3 yrs, 3 mos on Twitter
Tweets: 5/day • 8% new, 54% replies, 31% retweets, 8% quotes
1,080 87 
278. 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
8 yrs, 3 mos on Twitter
Tweets: 8/day • 15% new, 36% replies, 48% retweets, 2% quotes
1,079 49 
279. profile imageProf Sarah Bridle
@sarahbridle


Cosmologist at the University of Manchester working mainly on gravitational lensing with the Dark Energy Survey
Manchester
sarahbridle.net
7 yrs, 3 mos on Twitter
Tweets: 0.3/day • 32% new, 1% replies, 63% retweets, 4% quotes
1,076 58 
280. profile imageRamin Skibba
@raminskibba


freelance writer/journalist & vociferous science advocate; not afraid of politics; former astrophysicist; lover of space & nerdy stuff, also the Muppets
San Diego, CA
raminskibba.net
3 yrs, 7 mos on Twitter
Tweets: 5/day • 52% new, 9% replies, 7% retweets, 32% quotes
1,069 84 
281. profile imageLiz B ☆
@astro_Liz


Multiwavelength X-ray/Optical Astronomer at @ESO. Bleeding heart liberal & intersectional feminist. All views my own #WomenInSTEM #ActualLivingScientist
Santiago, Chile
lizbartlett.com
Google Scholar page
5 yrs, 4 mos on Twitter
Tweets: 7/day • 30% new, 51% replies, 9% retweets, 10% quotes
1,054 52 
282. profile image✮ laυren 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 ⊕
5 yrs, 1 mo on Twitter
Tweets: 2/day • 42% new, 16% replies, 41% retweets, 1% quotes
1,053 53 
283. profile imageKevork N. Abazajian
@kevaba


Cosmologist & Professor at the University of California, Irvine. Advising Board Member & California Coordinator for @314Action. Opinions are my own.
Irvine, CA
physics.uci.edu/~kevork
Google Scholar page
6 yrs, 1 mo on Twitter
Tweets: 3/day • 30% new, 2% replies, 68% retweets, 0% quotes
1,047 58 
284. profile imageSudeep Das
@datamusing


Astrophysicist. Machine Learning Expert. Artist. Storyteller. AI @ Netflix
San Francisco
[email protected]
Google Scholar page
4 yrs, 1 mo on Twitter
Tweets: 1/day • 34% new, 5% replies, 59% retweets, 2% quotes
1,034 
285. profile imageDr Chris Tibbs
@chris_tibbs


@ESA Research Fellow. Astrophysicist at the European Space Agency. Astronomer abroad. My tweets are my own.
ESA via Manchester & Caltech

8 yrs, 4 mos on Twitter
Tweets: 5/day • 25% new, 39% replies, 19% retweets, 18% quotes
1,033 116 
286. 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
6 yrs, 8 mos on Twitter
Tweets: 0.4/day • 60% new, 13% replies, 23% retweets, 4% quotes
1,032 41 
287. profile imageSarah Maddison
@ProfAstroSarah


Dean, School of Science @Swinburne; astrophysicist, planet builder; promoter of #science; advocate for #genderequity and #WomenInSTEM
Melbourne, Australia
Google Scholar page
3 yrs, 4 mos on Twitter
Tweets: 2/day • 62% new, 3% replies, 31% retweets, 4% quotes
1,029 81 
288. profile imageGianfranco Bertone
@gfbertone


Astroparticle Physicist. Spokesperson @GRAPPAInstitute. Creator of the 'Dark Matter' app goo.gl/aM2HWp
Amsterdam, NL
gianfrancobertone.net
Google Scholar page
5 yrs, 5 mos on Twitter
Tweets: 0.7/day • 50% new, 21% replies, 13% retweets, 14% quotes
1,025 64 
289. profile imageBrian Wolven
@brianwolven


Veni, vidi, velo. BadAeronomer. Supervised by two felines. Terrified of dyslexic zombies.
Columbia, Maryland, USA
Google Scholar page
8 yrs, 3 mos on Twitter
Tweets: 21/day • 5% new, 75% replies, 13% retweets, 7% quotes
1,020 57 
290. profile imageMatthew Turk
@powersoffour


I'm an assistant professor at UIUC in the iSchool and Astronomy. I also work on @yt_astro and I'm on the board of @NumFOCUS. Tweets are my own.
Champaign, IL
sites.google.com/site/matthewtu…
Google Scholar page
9 yrs, 5 mos on Twitter
Tweets: 1/day • 14% new, 37% replies, 47% retweets, 2% quotes
1,016 95 
291. profile imageMegan Donahue
@astrophysics


I'm an astronomy professor at Michigan State University. I maintain chemical balances of sorts by running. Playing bass in two Lansing bands, GSB & Dr. Decade.
Michigan
pa.msu.edu/~donahue
Google Scholar page
8 yrs, 10 mos on Twitter
Tweets: 0.3/day • 28% new, 49% replies, 13% retweets, 10% quotes
1,014 71 
292. profile imageDouglas P Finkbeiner
@DPFink


Astronomer and Physicist
Harvard University
nebel.rc.fas.harvard.edu/dfink/
4 yrs, 11 mos on Twitter
Tweets: 0.1/day • 60% new, 27% replies, 12% retweets, 1% quotes
1,011 49 
293. profile imageGrant Tremblay
@astrogrant


Astrophysicist at the Harvard-Smithsonian Center for Astrophysics Views my own.
Cambridge, MA
granttremblay.com
Google Scholar page
8 yrs, 4 mos on Twitter
Tweets: 1/day • 25% new, 5% replies, 63% retweets, 6% quotes
1,009 53 
294. profile imageAbbie✨
@abigailStev


Scientist, feminist, activist, expat, nerd, astro PhD candidate @uva_api, pythoner, tea enthusiast. Formerly @ualberta & @bardcollege. She/her.
Amsterdam
abigailstevens.com
6 yrs, 5 mos on Twitter
Tweets: 5/day • 9% new, 33% replies, 45% retweets, 12% quotes
1,007 58 
295. profile imageCaroline Morley
@AstroCaroline


Cloud Ninja, Sagan Fellow at Harvard, modeler of substellar atmospheres
Santa Cruz, CA
ucolick.org/~cmorley
4 yrs, 9 mos on Twitter
Tweets: 0.2/day • 35% new, 47% replies, 13% retweets, 4% quotes
1,006 51 

Last tweeted over a year ago

296. 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, 13% retweets, 0% quotes
6,707 433 
297. 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 • 53% new, 27% replies, 20% retweets, 0% quotes
2,400 106 
298. 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 • 44% new, 1% replies, 53% retweets, 2% quotes
1,993 192