Jonathan McDowell @planet4589.bsky.social Astrophysicist
Support the work of Jonathan's Space Report:
https://www.gofundme.com/f/fund-jonathans-space-report-library-transition
@cosmos4u.bsky.social @cosmos4u.bsky.social 
RAS Journals @rasjournals.bsky.social Official account for Monthly Notices of the Royal Astronomical Society (MNRAS), Geophysical Journal International (GJI) and RAS Techniques and Instruments (RASTI). See also https://academic.oup.com/rasjournals
Kantipur Planetarium @kantipurparium.bsky.social “𝘌𝘹𝘱𝘭𝘰𝘳𝘦 𝘛𝘩𝘦 𝘜𝘯𝘪𝘷𝘦𝘳𝘴𝘦”
Sparking curiosity since 2015 ✨
We bring an immersive mobile full-dome planetarium to schools across Nepal. Sharing stargazing, astronomy news and space science updates.
Dr. Skylar Grayson @skylargrayson.bsky.social Astrophysics PhD ✨ studies black holes and galaxy evolution 🌌Science Communicator (find me other places at “Space According to Skylar”)
Prof Stephen Serjeant @stephenserjeant.bsky.social Astronomy Prof at Open University. 26.2. #RejoinEU, £➡️€. Views not OU’s and often not even mine. He/him
🐘 https://mas.to/@stephenserjeant
🧵 https://www.threads.net/@prof.stephen.serjeant
ORCID 0000-0002-0517-7943 https://orcid.org/0000-0002-0517-7943
Institute of Astronomy, Cambridge @cambridgeastro.bsky.social News, public events, and research highlights from the Institute of Astronomy at the University of Cambridge
https://www.ast.cam.ac.uk/
UK Space Agency @ukspaceagency.bsky.social We boost UK prosperity, understand the Universe, and protect our planet and outer space. gov.uk/ukspaceagency.
Astronomy Picture of the Day 🪐 @apod.shinyakato.dev Official Mirroring APOD BOT for Bluesky.
https://apod.nasa.gov/apod/lib/about_apod.html
Src:
https://apod.nasa.gov/apod/astropix.html
http://star.ucl.ac.uk/~apod/apod/astropix.html
Maintained by @shinyakato.dev
Sarah Kendrew @sarahkendrew.bsky.social European Space Agency Astronomer at the Space Telescope Science Institute in Baltimore, MD. Team Lead for the MIRI instrument on JWST. Runner, dog mum, cyclist. 🇬🇧🇧🇪 Opinions my own. 
Sloan Digital Sky Surveys @sdssurveys.bsky.social Mapping the Universe since 1998. Featuring @milkywaymapper.bsky.social, @blackholemapper.bsky.social, and @localvolumemapper.bsky.social. We'll let you know when we are done.
sdss.org
Astronomer Royal for Scotland | Catherine Heymans @astroroyalscot.bsky.social Astronomer Royal for Scotland, Professor of Astrophysics, Edinburgh University. Author of How to Design a Universe. @astronomerroyal on insta (She/her)
Max Planck Institute for Solar System Research @mpsgoettingen.bsky.social Max Planck Institute for Solar System Research: Cutting edge scientific research on our Sun, the planets and their moons, asteroids and comets.
National Radio Astronomy Observatory - NSF NRAO @thenrao.bsky.social The National Radio Astronomy Observatory is a facility of the U.S. National Science Foundation. #RadioAstronomy
📡 VLA, ALMA, VLBA, GBT, ngVLA
🔗 public.nrao.edu
German Space Agency at DLR @dlr-spaceagency.bsky.social 100 % Raumfahrt. Wir sind die Deutsche Raumfahrtagentur im DLR. 100% space. We are the German Space Agency at DLR. 🚀
Impressum: https://www.dlr.de/de/service/impressum
Datenschutz: https://www.dlr.de/de/service/datenschutz
Gaia Mission @gaiamission.bsky.social ESA's billion star surveyor, mapping the Milky Way like never before.
https://www.esa.int/Science_Exploration/Space_Science/Gaia
https://www.cosmos.esa.int/web/gaia
https://www.facebook.com/ESAGaiaMission/
https://x.com/ESAGaia
Max Planck Institute for Extraterrestrial Physics @mpe-garching.bsky.social Excellent Research in Astronomy and Astrophysics across wavelengths from (sub-)millimeter and infared all the way to X-ray and gamma-ray. Posts by Press Office.
https://www.mpe.mpg.de/impressum
Dr./Prof. Meredith MacGregor @mmacgreg.bsky.social Associate Professor at Johns Hopkins in the Department of Physics and Astronomy | astronomer, educator, ceramicist, runner, mom | Pronouns: she/her
Mariana Jaber (she/her) @marianajbr.bsky.social Cosmologist mapping and testing the dark side of the Universe · Member of supernovafoundation.org. Currently at NCBJ · Previously NCU & CTP-PAS· PhD in physics by UNAM · Still an absolute beginner · pleasantly confused
Amery Gration @amerygration.bsky.social Astrophysicist. Research Fellow at the University of Surrey. Vegan.
Tanya Urrutia @astrobellatrix.bsky.social Astronomer at Leibniz Institut für Astrophysik in Potsdam (🇬🇹 / 🇩🇪).
https://www.tanya-urrutia.com
Eduardo Vitral @evitral.bsky.social Astrophysicist 🛰️🌌⚫️ | Globular clusters | Dwarf galaxies | Black holes | Dark matter | 🇧🇷🇮🇹🇫🇷🇺🇸🏴 | He/him
Website: https://eduardo-vitral.github.io
Thomas Rauscher @rauscherthomas.bsky.social Physicist working on nucleosynthesis, theoretical nuclear physics, astrophysics, AI, ML; patent expert
PhD, FInstP FRAS FHEA, AvHumboldt Fellow
Homepage: thomasrauscher.ch
Mastodon: @RauscherThomas@mastodon.online
Matthieu Schaller @mschaller.bsky.social Lecturer in numerical cosmo @ LION+STRW Leiden University. Lead dev. of @swiftsimulation.bsky.social astro and cosmology code. #HPC. Creator of fake universes; all including cheese. 🇨🇭
www.matthieuschaller.com
Oliver Newton @musicalneutron.bsky.social MSCA Fellow University of Surrey (IP2I Lyon → LJMU → CFT-PAN). Founding trustee/former treasurer at UniBrass Foundation.
Josh Peek @jegpeek.bsky.social 
Philip Massey @philmassey.bsky.social Astronomer who gets to do cool stuff! (He/him)
Anke Ardern-Arentsen @ankeaa.bsky.social 🇳🇱 Galactic Archaeologist 🔭✨, postdoc at the Institute of Astronomy in Cambridge. Married to @zachary-ardern.bsky.social, evolution-explorer
Jennifer Johnson @jajohnson.bsky.social Astronomer. Fan of the Galaxy. Member of @sdssurveys.bsky.social. Periodically interested in origin of elements. Still working on triple pirouette.
Jorge Moreno @jorgitomoreno.bsky.social Associate Professor. 4th Mexican scholar to earn tenure in astronomy/astrophysics in the United States. Exploring more research heavy opportunities. https://jorgemoreno.org
Laura Watkins @laurawatkins.bsky.social Head of the Science Policy Division at STScI. Research focuses on kinematics and dynamics of globular clusters and dwarf galaxies. Views my own.
Andreas Brunthaler @brunthal.bsky.social Astronomer at the Max Planck Institute for Radio Astronomy
Main interests are the Milky Way and the Local Volume.
Also found at brunthal@astrodon.social
Tom Megeath @megadeath.bsky.social Astronomer studying the birth of stars, rust belt academic, connoisseur of beer inspired acronyms, closet Dadaist, & child of immigrant.
Jos de Bruijne @astrojos.bsky.social Father of 2, husband, hobby wildlife photographer, #AFOL. Astronomer at European Space Agency @ESA working @ESA Gaia & @ESA ESDC. Tweets are my own. He/him/his.
Oliver Müller @voltarch.bsky.social Stargazing astrophysicist, data scientist, nerd, blogger, guitarist, Pen & Paper enthusiast. @EPFL_en, formerly @UniBasel, @ObsStrasbourg, @Google_CH. He/him.
Matthias Steinmetz @galacticrave.bsky.social Astronomer & Astrophysicist, Galactic Archaeologist & Simulator, Husband & Dad, Director @AIP_Potsdam, backyard astrophotographer
Katy Rodriguez Wimberly, PhD @spacedocdubb.bsky.social ✨astrophysicist✨CSUSB Professor studying Near Field Cosmology w/ 🔭 & 💻🌌 🖖🏽Board Member Astronomical Society of the Pacific 💫
Peter Laursen @anisotropela.bsky.social Astrophysicist/#scicomm'er at the Cosmic Dawn Center (NBI/UCPH), admirer of galaxies, amateur boxer, and appreciator of comic books, indiepop, and white chocolate.
Pau Ramos @brugalada.bsky.social Milky Way dynamicist, working mostly with Gaia data, and also a member of the JASMINE project. Currently living in Japan 🇯🇵
I love cinema, music, manga and the stories I get to experience through videogames. 
John Forbes @redshiftless.bsky.social Astronomer in Aotearoa/New Zealand at the University of Canterbury.
Pusher of pixels, pens, arrays, and computer keys.
www.johncforbes.com
JJ Hermes @jjhermes.bsky.social Always be looking up. Former Texan, current Associate Professor of Astronomy at Boston University. https://sites.bu.edu/buwd/
Dr. Sarah Biddle Leslie (they/she) @extragalactic.bsky.social Astronomer posting space art.
Instagram: @Fashionableastronomy
🏳️🌈🇦🇺
Decker French @deckerkf.bsky.social Astronomer at U Illinois, galaxies, transients, supermassive black holes, hiking, sailing, dogs
Benedikt Diemer @benedikt.bsky.social Assistant prof of astrophysics at UMaryland. Immigrant. Maker of Colossus, SPARTA, and other codes.
http://www.benediktdiemer.com
Clara Martínez-Vázquez @claramarvaz.bsky.social Astronomer researching about variable stars and dwarf galaxies 
Marcin Semczuk @msemczuk.bsky.social Dad & Husband | Postdoc in Astrophysics (galactic dynamics & morphology) at the Universitat de Barcelona 🌌 | 🇵🇱 in 🇪🇸 | FPL enthusiast ⚽️
Christian Aganze @caganze.bsky.social Postdoc at Stanford interested in stellar streams and dark matter
https://caganze.github.io/
Shaun Hotchkiss @justshaun.bsky.social Cosmology, large scale structure, the early universe.
How researchers communicate, to each other and to the world.
http://youtube.com/CosmologyTalks
https://sharingresearch.com/
Kaley Brauer @kaleybrauer.bsky.social NSF Postdoc @ Harvard & Smithsonian Center for Astrophysics
https://twitter.com/kaleybrauer
Florent Renaud @florenaud.bsky.social Astrophysicist making galaxies crash and computers collide. Or the other way round 🔭
Research professor (directeur de recherche) in astrophysics at CNRS / Strasbourg Observatory, France 🇫🇷 🇪🇺
Jeff Carlin @jeffcarlinastro.bsky.social Astronomer studying dwarf galaxies and their tidal remnants, and the nearby universe in general. Data Management Science Validation Scientist and Deputy Lead Community Scientist at Vera C. Rubin Observatory.
Sarah Pearson @spacewsarah.bsky.social (she/her)
Astrophysicists, Assistant Professor at U. Copenhagen, former NASA Hubble Fellow at NYU - Dark matter, stellar streams, galactic dynamics. SciComm: writer, talks, YouTube
http://drsarahpearson.com/
Justin Read @readdark.bsky.social Astrophysicist hunting for dark matter. All opinions my own.
Akshara Viswanathan @astroakshara.bsky.social PhD researcher in Kapteyn Institute, Groningen, NL|
Observational astronomer investigating baby Milky Way's shenanigan |🇮🇳🇨🇦🇬🇧🇳🇱|
she/her | தமிழச்சி 
Karina Voggel @karinavoggel.bsky.social Astronomer at the Strasbourg Observatory & CDS, working on super-massive black holes in the relics of galaxy nuclei. Can be found running otherwise.
Sandro Tacchella @sandrotacchella.bsky.social Assistant Professor of Astrophysics, studying the evolution of galaxies, University of Cambridge, Fellow of St Edmunds College 🇨🇭🇺🇲🇰🇷🇬🇧
Gravity Grinch @gravitygrinch.bsky.social observational cosmologist -- the particle horizon is the limit!
https://thegravitygrinch.blogspot.com
Nikki Miller @nikkimiller.space Postdoc at Uppsala University studying M-dwarfs and eclipsing binary stars. Also: astronomy camps, music, languages, photography & board games.
From 🏴 - lives in 🇸🇪 - often found in 🇩🇪
nikkimiller.space | iayc.org | she/they
Richard Anthony D'Souza @rdsouza.bsky.social Astronomer at the Vatican Observatory
Laura Kreidberg @lkreidberg.bsky.social Exoplanets, atmospheres, aliens. Director of the APEx Department at the Max Planck Institute for Astronomy.
Leo C. Stein @duetosymmetry.com Physics Prof @ U of MS. Sloan Fellow. Black holes, gravitational waves, general relativity & beyond. Formerly Caltech MIT Cornell. Need thin pizza + fruity coffee. He/him
🌐 https://duetosymmetry.com/
@duetosymmetry everywhere
Peter Gao @planetarygao.bsky.social Staff Scientist @ Carnegie EPL. Planetary and exoplanet atmospheres. He/Him/His. Black Lives Matter. Trekkie. Opinions are my own.
Derek Fox @partialobserver.bsky.social Penn State Astronomer (he/him), personal account. “We went and made everything a computer without ever bothering to fix computers.” 
Monika I. Jurkovic @monikajurkovic.bsky.social Astrophysicist at the Astronomical Observatory of Belgrade. Interested in Type II and Anomalous Cepheids. ... And a Mom.
Dr. Stéphanie Juneau @stephajuneau.bsky.social Astrophysicist, supermassive black hole hunter, artist, public speaker, français/English/québécois 
Johanna Hartke @jhartke.bsky.social Astronomer. Collegium Researcher at the Finnish Centre for Astronomy with ESO, University of Turku, FI. Working on galaxy halos, intra-cluster light and planetary nebulae as kinematic tracers and all things IFU. She/her.
Denis Erkal @derkal.bsky.social Astrophysicist working on dark matter, near-field cosmology, and galaxy formation. All opinions are my own. He/him.
Niko @nikosarcevic.com human person (she)
| cosmologist at Duke University
| member of @LSSTDESC @Roman
| did physics @XENONexperiment
| loves plots, coats, and The Wire
| opinions mine
Katja Fahrion @katjafah.bsky.social Astronomer, Marie Curie Fellow at Uni Vienna, studying nuclear star clusters, globular clusters and galaxies. She/her
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. 
CosmicPinot @cosmicpinot.bsky.social Brian P. Schmidt: Astronomer at Mt Stromlo Observatory, Vigneron and Winemaker Maipenrai, Vice Chancellor Australian National University, Nobel Laureate Physics
Julianne Dalcanton @dalcantonjd.bsky.social Astrophysicist at the Center for Computational Astrophysics & U. Washington. 
Scott Trager @sctrager.bsky.social Geek. Astronomer at Kapteyn Astronomical Institute, U Groningen, NL. Sort of but not quite Dutch. Lover of loud noisy music and good food. WEAVE Project Scientist and Deputy PI. Scientific Director of NOVA but I don’t speak for NOVA on here
Grant Tremblay @granttremblay.com Astrophysicist at the Center for Astrophysics | Senior Vice President, American Astronomical Society
Jonathan Pritchard @pritchardjr.bsky.social Bewildered vagabond and student of the stars. Professor of uncertain opinions. Radio cosmologist at MPIfR.
(Opinions mine, not employers)
Nicolas Martin @nfmartin1980.bsky.social Astronomer, CNRS/INSU researcher at Strasbourg Observatory. Local Group inhabitant.
Alex Ji @alexji.bsky.social Near-field Cosmologist and Assistant Professor of Astronomy and Astrophysics at University of Chicago. he/him
Laura Lopez @ohdearz.bsky.social Professor of astronomy 🔭 at Ohio State. Co-chair of @aascsma.bsky.social. Alum of UCSC and MIT. She/her 🇲🇽
Erik Tollerud @eteq.bsky.social Astrophysicist, Python coder, and general lover of nature in all its forms. Tweets are my own. He/they.
Marc Postman @astromarc.bsky.social Astronomer studying galaxies, clusters, and dark matter. Envisioning the future of space astronomy. My posts are my own views. (he/him)
Sarah Loebman @sloebman.bsky.social Astrophysics faculty, diversity, equity, & inclusion enthusiast, passionate about Big Data and the Milky Way.
Vivian U @justtheletteru.bsky.social Associate Scientist at Caltech/IPAC studying black holes and galaxy mergers with a nerdy sense of humor. Roman Proposal Lead. < 15 minutes of fame from PBS NOVA showcasing JWST science. TEDxMB 2024 speaker. Views are my own.
🌐 https://vivian-u.github.io/
Earth and Planetary Sciences at ETH Zurich @eth-eaps.bsky.social The Department of Earth and Planetary Sciences at ETH Zurich is one of the top Earth Science faculties and offers study programmes in Earth, Climate, and Space Sciences. https://eaps.ethz.ch/
Prof. Josep M. Trigo-Rodríguez @joseptrigo.bsky.social Astrophysicist and science writer. My ongoing research lines include: Meteoritics, primordial planetary system materials, their physico-chemical properties, transport of volatiles to planets, planetary atmospheres and astrobiology. Saganist
Alessandra Candian @donnainfiorino.bsky.social Assistant Prof. at @api.uva.nl in Amsterdam | Astrochemistry | Carbon Molecules & Dust | Titan | Interdisciplinary Education | #EDI | WiF board @wif.bsky.nl | #OpenScience | Working Mum | Lazy Runner | opinions my own 
Eric Agol @ericagol.bsky.social Astrophysicist, exoplanet enthusiast.
Cosmology Large Angular Scale Surveyor @classtelescope.org Cosmology Large Angular Scale Surveyor | Measuring the Cosmic Microwave Background Polarization | Discovering when the universe first lit up | https://sites.krieger.jhu.edu/class/ | #NSFfunded
Dr. Tanya Harrison @tanyaofmars.bsky.social “Very Respected Science Person” -NBC News
🔴 Former science operations for NASA Mars missions
🛰️ Current space sector strategist & author advocating for Earth
🌎 Based in Ottawa but often found on a train
✨🇨🇦🏳️🌈✨
Publications of the Astronomical Society of Australia @pasajournal.bsky.social Official account for Publications of the Astronomical Society of Australia (PASA). We are a leading open access journal which publishes new and significant peer-reviewed research in astronomy and astrophysics. https://tinyurl.com/4n9324mj
Agata Rożek @agastro.bsky.social Astronomer looking at chunks of metal and rock in space. Currently at Royal Observatory Edinburgh. PhD. she/her. Asteroid 63440
saurabh w jha @sublunar.bsky.social astronomer, looking up
Ori Fox @orifox.bsky.social Astronomer | @STScI Scientist | HST | JWST | And now Deputy Project Scientist for Roman Space Telescope
Dr Ryan MacDonald @distantworlds.space Lecturer in Extrasolar Planets 🪐 🔭 at the University of St Andrews 🏴
John Stott @jpsastro.bsky.social Astrophysicist at Lancaster University. Mainly galaxy evolution, environment and feedback. Recent foray into machine learning and icebergs.
Fabian Schussler @fabianschussler.bsky.social Astrophysicist: multi-messenger observations at high-energies, H.E.S.S./CTA; SVOM, ANTARES, etc.
PI of Astro-COLIBRI (https://www.astro-colibri.science)
Andy Lawrence @e-astronomer.bsky.social Active Galaxy Nut and Space Environmentalist.
Read Losing The Sky at Amazon, Apple Books, or Google Play.
More grooviness at https://andyxlastro.me 
Jamie L. Molaro @spacejammie.bsky.social Planetary Scientist, Artist, Musician, D&D Nerd, Epic Poet. hEDS, Bi ♿️🏳️🌈
I like rocks, study asteroids, and make art out of spacecraft data. I also play harp, own a carousel, and my dog is really cute.
www.jamiemolaro.com
Laurence Datrier @asleepywanderer.bsky.social Astronomer, occasional artist, sometimes takes pictures
(she/her)
Eric Bellm @ebellm.bsky.social Astronomer at the University of Washington.
Building time-domain surveys (ZTF & Rubin Observatory) & looking for compact objects in our Galaxy.
Adam McMaster @adammc.space I’m an astronomer who is searching for black holes with the help of citizen scientists at https://black-hole-hunters.org
I write an astronomy newsletter at https://three-alpha.space and a blog at https://www.twelvemountains.com