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. |  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 |
| 3. |  Jonathan McDowell @planet4589.bsky.social Astrophysicist Google Scholar page | 357 |
| 4. |  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 |
| 5. |  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 |
| 6. |  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 |
| 7. |  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 |
| 8. |  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 |
| 9. |  Dr. Timothy Pickering@tepickering.bsky.social astronomer, telescope wrangler, grizzled pythonista Google Scholar page | 139 |
| 10. |  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 |
| 11. |  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 |
| 12. |  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 |
| 13. |  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 |
| 14. |  Mike Boylan-Kolchin@mbkplus.bsky.social Dad, husband, astrophysicist, dog herder. Views expressed here are mine. Google Scholar page | 86 |
| 15. |  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 |
| 16. |  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 |
| 17. |  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 |
| 18. |  Benjamin Pope@fringetracker.bsky.social Australian astronomer Google Scholar page | 74 |
| 19. |  Adam Becker@adambecker.bsky.social Author, journalist, astrophysicist. He/him. @FreelanceAstro on the bird site. Google Scholar page | 69 |
| 20. |  Sarah E Moran @offallingstars.bsky.social she/her. (Exo)planetary scientist. Google Scholar page | 61 |
| 21. |  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 |
| 22. |  James Davenport @jradavenport.bsky.social Coffee drinking, year-round-plaid wearing space dad. https://jradavenport.github.io Google Scholar page Video channel | 60 |