A list of astronomers with over 50 followers. This list includes astrophysicists, cosmologists, planetary scientists, space scientists, and related professionals. Also see Physicists on Bluesky.
| # | Account | Followers |
| 1. |  Katie Mack@astrokatie.com Cosmologist, pilot, author, connoisseur of cosmic catastrophes. @TEDFellow, CIFAR Azrieli Global Scholar. She/her. Dr. Google Scholar page Video channel | 4,635 |
| 2. |  Phil Plait@philplait.bsky.social Bad Astronomer, SciCommer, Dork. He/him. Newsletter: badastronomy.substack.com Video channel | 1,206 |
| 3. |  sanjana curtis! 🦦@sanjanacurtis.bsky.social cat wrangler, nuclear astrophysicist, etc 🏳️🌈 twitter.com/sanjanac urtis | 803 |
| 4. |  Anna Hughes@annaghughes.bsky.social astrophysics and machine learning goblin in the mountains of British Columbia instagram.com/astroannah | 604 |
| 5. |  Chanda Prescod-Weinstein@chanda.bsky.social Asst Prof: Physics/Astro/STS. Author: #DisorderedCosmos. [email protected]. Twitter: IBJIYONGI. all Black/Jewish. queer/agender/woman/she. Posts by/for me🖖🏽 | 501 |
| 6. |  Neil deGrasse Tyson@neildegrassetyson.com Astrophysicist Video channel | 485 |
| 7. |  Sarah Tuttle@niais.bsky.social Disabled, queer, Jewish, (chimerical?) cyborg, professor of space stuff, abortion funder, antifascist, wielder of wrenches and too many pens. Building joy with a side of chaos. | 414 |
| 8. |  Sarah Hörst@planetdr.bsky.social I guess I’m here now too. Associate Prof of planetary science at Johns Hopkins. Pomeranian wrangler. Runner. She/her. sarahhorst.com Google Scholar page | 407 |
| 9. |  Nicholas Hunt-Walker@nhuntwalker.bsky.social Software engineer, teacher, Pythonista, Astronomer, Black guy, Father. Always looking to build and maintain dope shit. | 383 |
| 10. |  Jonathan McDowell @planet4589.bsky.social Astrophysicist Google Scholar page | 357 |
| 11. |  Emily Lakdawalla@elakdawalla.bsky.social Planetary scientist, freelance science writer and space artist, queer, ADHD, mom. Turns out it’s hard to be all those things at once. Shop at elakdawalla.Etsy.com Video channel Patron opportunity | 333 |
| 12. |  Sophia Gad-Nasr @astropartigirl.bsky.social I do cosmology and astroparticle theory. I pick apart the Universe to figure out how it works. Science Advisor. Dark Matter hunter. 🇵🇱✡️🇪🇬☪️ | 327 |
| 13. |  Tanya Harrison@tanyaofmars.bsky.social “Very Respected Science Person” -NBC News 🔴 Former science + mission operations for NASA Mars missions Opportunity, Curiosity, Perseverance, and Mars Reconnaissance Orbiter. | 295 |
| 14. |  CosmicRami 🏳️🌈🏳️⚧️@cosmicrami.bsky.social Astronomer, driving The Dish📡 to study pulsars in my PhD. Also, founded SpaceAustralia.com. Also, love a bit of astrophotography. Also, do everything with my little mate, Max. Also, Ultra-Gay. He/Him. | 247 |
| 15. |  Andy Rivkin@asrivkin.bsky.social Planetary Astronomer on #TeamAsteroid; Gedankenband member/guitarist; “Surprisingly nonchalant” according to Wired. He/him הנני 🌻 Work Output: https://scholar.google.com/citations?use r=aGVsk3IAAAAJ Play output: https://andyrivkin.bandcamp.com Google Scholar page | 232 |
| 16. |  Sarafina El-Badry Nance@starstrickensf.bsky.social Astrophysicist, analog astronaut, BRCA+ SI Swimsuit model & Forbes 30u30. Author of STARSTRUCK, out June 6th from Dutton, Penguin Random House. She/her 🇪🇬 | 225 |
| 17. |  Elizabeth Tasker@elizabethtasker.bsky.social UK astrophysicist and science communicator working at the Japan Aerospace Exploration Agency (JAXA). Author of 'The Planet Factory' and editor of ‘Planetary Diversity’. Very into space, virtual reality, computer graphics and rescue cats. | 209 |
| 18. |  Dr. Jessie Christiansen@aussiastronomer.bsky.social NASA Planet Hunter | Project Scientist NASA Exoplanet Archive | @TEDFellow | Science consultant | General Nerd | My views are not the views of NASA | She/her | 205 |
| 19. |  Taka@astrobassball.bsky.social Data person, astrophysicist, bassist, New Englander, New Yorker. He/him. | 191 |
| 20. |  Sera Markoff@profsera.bsky.social Professor Astrophysics/Astroparticle Physics @U Amsterdam. All things black hole, member Event Horizon Telescope, Cherenkov Telescope Array. Space, sci-fi, cats, music, valve amps, other unabashed geekery. www.seramarkoff.com | 189 |
| 21. |  Sarah Kendrew@sarahkendrew.bsky.social European Space Agency Astronomer at the Space Telescope Science Institute in Baltimore, MD. Supporting science operations of JWST. Runner, dog mum, cyclist. 🇬🇧🇧🇪 Opinions my own. Google Scholar page | 174 |
| 22. |  Mike Brown@plutokiller.com Astronomer, planet hunter, Pluto killer, bear whisperer, finger-wrapped dad. Dangerous secularist. Hater of cars. He/him. mikebrown.caltech.edu Google Scholar page | 154 |
| 23. |  Dr. Alex Parker @alexparker.bsky.social Exploration scientist, engineer, artist. Building things for space inspired by things in the sea, and things for the sea inspired by space. Discovered a few moons along the way. Google Scholar page | 146 |
| 24. |  Laci Brock @stellerarts.bsky.social ✨ science meets art 🪐 planetary astro PhD + artist ✨ sharing sci comm • space paintings 🎨 shop: stellerarts.com ✉️ contact: https://beacons.ai/stellerarts Google Scholar page | 144 |
| 25. |  Derek Fox@partialobserver.bsky.social PSU Astronomer (he/him), personal account. “We went and made everything a computer without ever bothering to fix computers.” | 143 |
| 26. |  Dr. Timothy Pickering@tepickering.bsky.social astronomer, telescope wrangler, grizzled pythonista Google Scholar page | 139 |
| 27. |  Kelly Truelove@truesciphi.org Curator of science, philosophy, & mathematics lists at https://TrueSciPhi.org covering podcasts, Mastodon, & Bluesky. Curious about the nature of things. Physics PhD. More: https://TrueSciPhi.org/Bits (words) • http://TrueSciPhi.Art (images). Google Scholar page Video channel | 125 |
| 28. |  Yvette Cendes@whereisyvette.bsky.social Astronomer here! I’m a Hungarian-American radio astronomer at the Center for Astrophysics |Harvard & Smithsonian, alias /r/Andromeda321 on Reddit. | 123 |
| 29. |  Nadia Drake@nadiadrake.bsky.social Science journalist, champagneophile, nap champ. Currently at Quanta Magazine, formerly National Geographic. 🇱🇧🇺🇸🏳️🌈 | 117 |
| 30. |  Catherine Slaughter@catherineslaughter.space “My mouth was designed for my foot to fit in it” Astronomer 🌌 | Dartmouth ‘21 🌲| Leiden Uni MSc ‘23 🇳🇱 | UMN proto-PhD 🎓 | she/her 💙💜🩷 Check out my research: https://www.catherineslaughter.space/ | 113 |
| 31. |  Benne W. Holwerda @benneholwerda.bsky.social Dad, Professor of Astronomy at the University of Louisville. He/Him/hey you. Opinions are my own. As are the typos. Astronomy, datascience, ethics & occasional US/EU politics. Google Scholar page | 109 |
| 32. |  Meg Schwamb@megschwamb.bsky.social Planetary scientist & astronomer at Queen’s University Belfast: KBOs, Planet Four(Mars), exoplanets (Planet Hunters NGTS) ,LSST SSSC co-chair. Opinions posted are my own. Pronouns: she/her | 104 |
| 33. |  Michael Wise@wisespace.bsky.social Astronomer, Director General, SRON Netherlands Institute for Space Research (He/Him) | 104 |
| 34. |  Charity Woodrum@charitywoodrum.bsky.social ✨ Astrophysics PhD candidate and NSF GRF at the University of Arizona🌵 NASA JWST NIRCam Team 🚀 Physics BS at the University of Oregon 🦆 First-gen high school grad 🎓 Humanitarian Aid Volunteer 🏜 Pilot in training ✈️ Google Scholar page | 100 |
| 35. |  John Wise@astroahura.bsky.social Astrophysics prof and proud alum of Georgia Tech. Fast cars and fast computers. ATLien and Southerner. Rotorhead and runner. Hapa. Google Scholar page | 90 |
| 36. |  Mike Boylan-Kolchin@mbkplus.bsky.social Dad, husband, astrophysicist, dog herder. Views expressed here are mine. Google Scholar page | 86 |
| 37. |  Richard Easther@rjme.bsky.social Father, husband, scientist, prof @AucklandUni - opinions mine; Kiwi diaspora returnee. "Astrophysics - it's like a barfight with God" [email protected] He/him. Google Scholar page | 84 |
| 38. |  Matthew Kenworthy@mattkenworthy.bsky.social Professor of astronomy working at Leiden Observatory in the Netherlands on the direct imaging of extrasolar planets and transits of giant ring systems. Will tell Dad jokes for cash. https://kenworthy.space/ Google Scholar page | 79 |
| 39. |  András Gaspar@andrasgaspar.bsky.social Astronomer. JWST/MIRI. Classic car enthusiast. Opinions my own. | 76 |
| 40. |  Dr. Carl E. Fields 💥@carlnotsagan.bsky.social Computational astrophysicist. RPF Distinguished Postdoctoral Fellow @LosAlamosNatLab 🔜 Asst. Prof @uarizona (2024). #Forbes30u30, Science 2021. He/Him. Google Scholar page | 75 |
| 41. |  Benjamin Pope@fringetracker.bsky.social Australian astronomer Google Scholar page | 74 |
| 42. |  Erin Ryan@erinleeryan.bsky.social Doctor of space rocks turned professional curser at computers. Human of Freya the dog and of Modicello the garden. | 70 |
| 43. |  Adam Becker@adambecker.bsky.social Author, journalist, astrophysicist. He/him. @FreelanceAstro on the bird site. Google Scholar page | 69 |
| 44. |  Sarah E Moran @offallingstars.bsky.social she/her. (Exo)planetary scientist. Google Scholar page | 61 |
| 45. |  Jason Wright@astrowright.bsky.social Professor of Astronomy and Astrophysics at Penn State. Son, husband, father, scientist, teacher, student, human, Earthling. Mostly posting astronomy. Mostly. Google Scholar page | 60 |
| 46. |  James Davenport @jradavenport.bsky.social Coffee drinking, year-round-plaid wearing space dad. https://jradavenport.github.io Google Scholar page Video channel | 60 |