Fabian Polnitzky @fabian-polnitzky.bsky.social PhD student in Astrophysics at @rwth.bsky.social | Mapping the structure of the Milky Way | Studying protoplanetary discs | Resolving merge conflicts
https://fabianpolnitzky.github.io/
he / him
BOARDS OF CANADA @boardsofcanada.bsky.social - M Matthieu Le Lain @matlastro.bsky.social Astronomy and astrophysics sprinkled with Deep Learning... or the other way around ! PhD student working on Foundation Models for Astronomy. #galaxy
Sergio Pereira @sergiopereiralema.eurosky.social Ciencia, astronomía e análisis de datos. Aprendendo a procesar os datos de Gaia (ESA).
Science, astronomy and data analysis. Learning to process data from Gaia (ESA).
https://exploregaiadata.com/
Tobias Berger @beagatobi.bsky.social 
Guimei Liu @guimei22.bsky.social 
CosmicDS @cosmicds.bsky.social Data Science for All | cosmicds.cfa.harvard.edu
Online resources for astronomy, earth science, and data science education. Account is managed by the CosmicDS team at the Center for Astrophysics | Harvard & Smithsonian
Juan Diego Soler @juandiegosoler.bsky.social Colombiano • Astrofísico • Divulgador científico • Columnista
@elespectador.com • Autor de #RelatosDelConfinDelMundo: https://tinyurl.com/libroJDS
Melinda Soares-Furtado @msoaresfurtado.bsky.social Assistant Professor of Physics & Astronomy at UW–Madison | Investigating exoplanets, stellar evolution, & planetary engulfment | 🛰️
@moaahornast.bsky.social @moaahornast.bsky.social 
Mathias @lechtl.bsky.social Astronomy and Physics Student @univie.ac.at, he/him
Nora Wagner @norawagner99.bsky.social Astrophysics PhD student in Vienna focused on nearby Star Clusters ✨🌱
SDSS-V/Milky Way Mapper @milkywaymapper.bsky.social Proud member of @sdssurveys.bsky.social. Honoring our ancestor surveys SEGUE and APOGEE. Grateful for the Gaia, TESS, & eROSITA satellites. Observing all the stars
Bob Benjamin @bobbenjamin.bsky.social Wisconsin. All about the Milky Way.
Ann Finkbeiner @annfinkbeiner.bsky.social Freelance science writer, mostly astro, some natsec sci, some women-in-astro, some grief psych, otherwise whatever I can get paid to write about. I love Baltimore, I do.
Michele Bannister @astrokiwi.bsky.social Planetary astronomer @UCNZ: envisioning worlds from here and elsewhere, in a dark & glorious sky. Rutherford Discovery Fellow & Assoc. Professor. Asteroid (10463). Pākehā; she
Alexis Quintana @alexis-space.bsky.social Astronomy postdoc fellow in LIRA (@liraastro.bsky.social), Paris Observatory (@obs-paris-psl.bsky.social) in 🇨🇵.
Works on OB stars, stellar associations & clusters and Galactic structure & dynamics.
From 🇧🇪, previously in 🇬🇧 and 🇪🇦.
he/him
Duarte Almeida @duartealmeida.bsky.social PhD in Astronomy - open clusters ✨🔭
Lisbon, he/him
Star Cluster Memes For Stellar Overdensity Teens @starcluster.meme star cluster memes worse than your isochrone fit 📉
voted #1 Blanco 1 fan by the Blanco 1 fan club
✨ maintained by @emily.space ✨
gaia memes for parallax < 0.01 as connoisseurs @gaiamemes.bsky.social memes about your favorite telescope at L2
Space Telescope Science Institute @stsci.edu STScI is the Science Operations Center for Webb, Hubble, and Roman space telescopes, & Mission Operations Center for Webb. We help humanity explore the universe with advanced space telescopes and data archive. news.stsci.edu
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
Erin Hoffmann @enhoff.bsky.social 
Astrobites @astrobites.bsky.social Digestible summaries of the latest astronomy research. Written by an international team of grad students for undergrads! Supported by the @AAS_Office. #scicomm
European Space Agency @esa.int Elevating the future of Europe through space.
Please see our Privacy Notice: https://esa.int/connectwithus
Mike Kuhn @mikeakuhn.bsky.social Astronomer interested in star formation and statistics. Senior Lecturer at the University of Hertfordshire. Formerly Caltech, Universidad de Valparaíso, and Penn State. https://star.herts.ac.uk/~kuhn/
A. David Weigel @adavidweigel.bsky.social interactive immersive astroviz, creative scientific storytelling: I do exciting (and) space things
INTUITIVE Planetarium Director - U.S. Space & Rocket Center
Astrovizicist - WorldWide Telescope
Stefan Payne-Wardenaar @stefanpw.bsky.social I make astronomy (and other science) visualizations in Blender.
Jwst Feed @jwstfeed.bsky.social James Webb - Everything That's Hot 🔥
jwstfeed.com
David W Hogg @hogg.bsky.social Astronomer, physicist, statistician, data analyst, open scientist. (Totally not at all the other David Hogg). I live on Lenape land.
Astronomy Picture of the Day (unofficial bot) @fanapod.baldanders.info This is bot account.
Deliver "Astronomy Picture of the Day" using NASA API.
NASA API: https://api.nasa.gov/
Managed by @baldanders.info
Powered by https://github.com/goark/toolbox
Josh Peek @jegpeek.bsky.social - S Sebastian Ratenböck @sratzenboeck.bsky.social
Nature Astronomy @natastron.nature.com A Nature journal dedicated to presenting the very best research across the disciplines of astronomy, astrophysics, cosmology and planetary science.📡
www.nature.com/natastron
Royal Astronomical Society @royalastrosoc.bsky.social www.ras.ac.uk
American Astronomical Society (AAS) @aas.org The mission of the American Astronomical Society is to enhance and share humanity’s scientific understanding of the universe as a diverse and inclusive astronomical community.
aas.org
ESO @eso.org The European Southern Observatory designs, builds & operates world-class observatories on the ground for the benefit of society. More info on eso.org
Paul McMillan @mcmillan-astro.bsky.social Astrophysicist working on Milky Way dynamics and Gaia data. University of Leicester. Views expressed are my own.
Website: https://paulmcmillan-astro.github.io/
Kevin Swiggum @kevinswiggum.bsky.social Independent Salesforce Architect
I do other things too.
Stellar Origins 2025 @ Vienna @stellarorigins2025.bsky.social Sept. 15-19, 2025 - Vienna (Austria) ✨🌌
Topics: Galactic and Extragalactic Star Formation, Structure & Dynamics of the ISM, IA and ML
website: https://stellarorigins2025.univie.ac.at/
Posts under the hashtag: #stellarorigins2025
James Trayford @trayford.bsky.social Audible Astrophysics :: Galaxy Formation & Evolution - Research Fellow at the Institute of Cosmology & Gravitation, University of Portsmouth UK
- audiouniverse.org
- github.com/james-trayford/strauss
- https://james-trayford.github.io/
isak @isakndbr.bsky.social your friendly neighbourhood open cluster enthusiast| galactic archeology & mapping | he/him
Alvaro Hacar @cosmicfiber.bsky.social Assoc. Prof. in Astrophysics at the University of Vienna. Interests on Interstellar Medium, star formation, ALMA, radioastronomy, filaments and clouds
lilly @lillykormann.bsky.social astrophysics phd student at @univie.ac.at
she/her
classified as a moving group
website: lillykormann.github.io
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
Euclid Consortium @ec-euclid.bsky.social Official Consortium of ESA's Euclid mission on the Universe's dark matter, energy & expansion, 15 European countries + USA + CAN + JAP, 2000+ scientists + engineers. Home: https://euclid-ec.org
Heidi Weinhäupl @hweinhaeupl.bsky.social SciComm @ Faculty of Earth Sciences, Geography and Astronomy @univie.ac.at, Austria / interested in 🌍🌿#anthropocene, #astrophysics, #anthroposphere, #equality, #diversity in science, #SocialAnthropology #Ecuador
astropy @astropy.org A community effort to develop a common core package for Astronomy in Python and foster an ecosystem of interoperable astronomy packages.
Web: astropy.org
Source: github.com/astropy/astropy
Docs: docs.astropy.org
Tutorials: learn.astropy.org
Max-Planck-Institut für Astronomie @mpi-astro.bsky.social Astronomical research institute in Heidelberg, Germany / Astronomisches Forschungsinstitut in Heidelberg
Impressum: https://www.mpia.de/impressum
Haus der Astronomie @hausderastronomie.bsky.social Zentrum für astronomische Bildungs- und Öffentlichkeitsarbeit in Heidelberg | Center for Astronomy Education and Outreach in Heidelberg, Germany. Posts in erster Linie auf Deutsch but also in English
https://www.haus-der-astronomie.de/de/impressum
Universität Wien / University of Vienna @univie.ac.at Offizieller Account der Uni Wien / Official account of University of Vienna.
Es postet http://communications.univie.ac.at 💬
Impressum: http://go.univie.ac.at/impressum Netiquette: http://go.univie.ac.at/netiquette
João Alves @joaoalves.bsky.social Professor of Astrophysics at the University of Vienna
Adrian Price-Whelan @adrian.pw (he/him)
Astronomer;
Leads the Nearby Universe group at the Flatiron Institute / CCA;
Asst. Director of Scientific Software @ Simons Foundation;
Astropy;
Music;
https://adrian.pw 
Emily Hunt @emily.space Postdoc @univie.ac.at working on star clusters & machine learning
Passionate about a better future for science communication via @astrosky.eco
🏳️🌈 🏳️⚧️ (she/her), Ⓥ
Website: https://emily.space
GitHub: https://github.com/emilyhunt
The New York Times @nytimes.com We seek the truth and help people understand the world. Not a subscriber? Your first month is now free in our app. https://nytimes.onelink.me/Xpht/zbx4nci9