Kate Pattle @jumpingjupiters.bsky.social Astrophysicist at University College London (UCL). Interested in all things star formation-related, many things not star formation-related, and magnetic fields! All views my own, of course.
Guimei Liu @guimei22.bsky.social 
The Star Formation Newsletter @starformationnews.org Since 1992, the Star Formation Newsletter has been the premier destination for news about star & protoplanetary disk formation. We publish a monthly newsletter of papers, interviews, upcoming conferences, and more!
Web: https://starformationnews.org
@ciskakemper.bsky.social @ciskakemper.bsky.social 
Cornelia Rottensteiner @cornelia-cr.bsky.social PhD student, microbial ecologist, drought, permafrost, global change 🦠🧪🌍🌡
nature, history, horses 🏞📜🐴
Nora Wagner @norawagner99.bsky.social Astrophysics PhD student in Vienna focused on nearby Star Clusters ✨🌱- M Cam Swiggum @mac0598.bsky.social Astronomy PhD student @ University of Vienna
Marc Kuchner | Author @marckuchner.bsky.social Dad. Author of the Cosmic Collisions books. Astrophysicist and Participatory Science fanatic @nasa. www.marckuchner.com
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
Graham Smith @grahamsmithastro.bsky.social Professor, University of Birmingham
Project Scientist, LSST:UK
grahamsmithastro.com
All views are my own
Selina La Barbera @selinalabarbera.bsky.social Publishing Director, Journals at EDP Sciences | #OpenScience| #OpenAccess | Mum x2 | Cycling | Scuba #Padi and #Lesmills enthusiast - My own views here
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 
Bob Benjamin @bobbenjamin.bsky.social Wisconsin. All about the Milky Way.
François Levrier @francoislevrier.bsky.social Professeur d’astrophysique - ENS Paris - Responsable du Master AADC - Coordinateur de l’action thématique PCMI (Physique et Chimie du Milieu Interstellaire)
(Photo ©A. Vergallo)
flevrier.github.io
Vienna Cognitive Science Hub @viennacogscihub.bsky.social The Vienna Cognitive Science Hub is a network of researchers at @univie.ac.at. Active in various disciplines of Cognitive Science and Cognitive Neuroscience.
https://cogsci.univie.ac.at 
Jorge Lillo-Box @jlillobox.bsky.social Astrophysicist working on searching for extrasolar planets that can develop and sustain life. Center for Astrobiology (Spain)
GaiaUB @gaiaub.bsky.social Gaia group @ Universitat de Barcelona (UB) Dpt FQA, Institut de Ciències del Cosmos (ICC), Institut d'Estudis Espacials de Catalunya (IEEC) https://gaia.ub.edu/ Gaia is an astrometric mission of the European Space Agency https://www.cosmos.esa.int/web/gaia
David Montes @dmontesg-astro.bsky.social Prof. Dpto. Física de la Tierra y Astrofísica, Facultad CC. Físicas, Universidad Complutense de Madrid, UCM.
IPARCOS-UCM (Instituto de Física de Partículas y del Cosmos de la UCM)
Ver: https://produccioncientifica.ucm.es/investigadores/141512/detalle
NOE Volkssternwarte @noesternwarte.bsky.social Sternwarte
Blicke mit uns zu den Sternen und darüber hinaus!
Michelbach, Niederösterreich, Austria
https://www.noe-sternwarte.at
Astropierre @astropierre.com Médiateur scientifique, conférencier et chargé de projets. #Freelance
Ici, on parle de science, mais pas que...
Posez-moi vos questions, ça ne coûte rien ;)
Carlo F Manara @cfmanara.bsky.social Astronomer @ESO - @ERC WANDA group -
views my own
Elena Sabbi @astro-selena.bsky.social 
Duarte Almeida @duartealmeida.bsky.social PhD in Astronomy - open clusters ✨🔭
Lisbon, he/him
Joanna Drążkowska @astrojoanna.bsky.social Astrophysicist ✨ Research Group Leader at MPS Göttingen 🇩🇪 Planet formation theory 🪐 she/her
https://www2.mps.mpg.de/homes/drazkowska/
Til Birnstiel @birnstiel.bsky.social Professor for Astrophysics at LMU Munich. www.til-birnstiel.de
Gwenllian Williams @gwenows.bsky.social Lecturer at Aberystwyth University, interested in how stars form ⭐️
🏴 Darlithydd ym Mhrifysgol Aberystwyth, diddordeb yn sut mae sêr yn ffurfio 🇪🇺
Cora Dvorkin @coradvorkin.bsky.social Cosmologist. Professor of Physics at Harvard. Argentine. Opinions are my own.
Brandt Gaches @brandt-gaches.space Disabled astronomer/astrochemist. Emmy Noether group leader @ University of Duisburg-Essen.
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
Quantum Physics Group, University of Vienna @quantumunivie.bsky.social Welcome to the Official Bluesky Page of the Quantum Physics Group from @univie.ac.at. 🔬- S Sebastian Ratenböck @sratzenboeck.bsky.social
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
Sabine Pahl @sabinepahl.bsky.social Prof of #EnvironmentalPsychology @univienna.ac.at
@envpsyvienna.bsky.social
https://ech.univie.ac.at
#BehaviouralSciences #RiskPerception #SocialCognition #PlasticPollution #Microplastics #PFAS #Nature etc...
Dr. Laura M. König @lauramkoenig.bsky.social Professor of Health Psychology, @univie.ac.at #HPGVienna | eating behaviour, #digitalhealth, social inequality, research methods | #scicomm & #openscience
Web: https://gesundheit-psy.univie.ac.at
CSN Unit @silanilab.bsky.social Clinical Social Neuroscience Unit based at @univienna, led by Giorgia Silani. Interested in social cognition and emotions, reward processing and neurodiversity
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
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
Gail Zasowski @zastronomerski.bsky.social Astronomer 🌌, professor at the U of Utah, mom of 2 littles. Exploring, hiking, camping, cooking, reading. Sci-fi and period romances. Definitely not writing social media bios.
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
Alena Rottensteiner @rottenstea.bsky.social Astrophysics PhD student in Vienna 🇦🇹& Munich 🇩🇪
Mapping the star formation landscape ✨🪐🌌
John Lewis @astrojthe3.bsky.social Learning and Education Design specialist, Software (Python/vue.js) dev, PhD Astronomy, @harvard.edu @cosmicds.bsky.social, 🔭✝️
Comments, RTs, likes are all me and represent on one else
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
Marijke Haverkorn @marijkehaverkorn.bsky.social Professor of Cosmic Magnetism at Radboud University. Magnetic fields in the Milky Way, radio and optical polarimetry. Researcher, teacher, parent. 
lilly @lillykormann.bsky.social sleep deprived astrophysics phd student at @univie.ac.at
she/her
classified as a moving group
website: lillykormann.github.io
Data Science @ Uni Vienna @ds-vienna.bsky.social Our research network is a hub for all #DataScience activities @univie.ac.at #univienna
https://datascience.univie.ac.at
isak @isakndbr.bsky.social your friendly neighbourhood open cluster enthusiast| galactic archeology & mapping | he/him
Mathias @lechtl.bsky.social Astronomy and Physics Student @univie.ac.at, he/him
Tom Megeath @megadeath.bsky.social Astronomer studying the birth of stars, rust belt academic, connoisseur of beer inspired acronyms, closet Dadaist, & child of immigrant.
Sierra Grant @sierragrant.bsky.social Carnegie Fellow at the Earth and Planets Laboratory. Protoplanetary + circumplanetary disks. Formerly at MPE, BU, and University of Michigan. She/her. #BiInSci 🏳️🌈✨🔭 Opinions are my own.
sierragrant.com
Ilaria Pascucci @pascucci.bsky.social Astrophysicist and Planetary Scientist. Professor at the University of Arizona. Fellow, American Astronomical Society. Outdoor enthusiast with a love for hiking, biking, and dogs.
Cosima Eibensteiner @astrocosi.bsky.social Austrian Astronomer -- Jansky Fellow at NRAO | exploring the space between stars in nearby galaxies 🔭 | Did my PhD at Uni Bonn & IMPRS | BA BSc MSc at Uni Wien 🇦🇹 | misses Marillenknödel
Dr. Teresa Valdivia-Mena @terevaldivia.bsky.social (Radio)Astronomer 🌟 she/her
Postdoc fellow at European Southern Observatory
Known as the streamer girl
Bryan Gaensler @scibry.bsky.social Dean of Science at the University of California, Santa Cruz (UCSC). Astronomer, sci-fi connoisseur, rugby league devotee, puzzled parent 🇦🇺🇨🇦. Opinions ∉ UCSC.
Santa Cruz CA, USA. He/him. bryangaensler.net- T @teresaantoja.bsky.social @teresaantoja.bsky.social
Slavko Bogdanov @slavkobogdanov.bsky.social Astrophysicist ordinaire. Columbia University.
slavko.org- G Greg Herczeg @gregherczeg.bsky.social Welcome to the medium place.
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/
The Open Journal of Astrophysics @ojastro.bsky.social A peer-reviewed Diamond Open-Access Astrophysics journal using an arXiv overlay. This community-run service is provided entirely free for authors and readers.
https://astro.theoj.org/
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
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 🇫🇷 🇪🇺
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.
Matthias Steinmetz @galacticrave.bsky.social Astronomer & Astrophysicist, Galactic Archaeologist & Simulator, Husband & Dad, Director @AIP_Potsdam, backyard astrophotographer
Dr Rajika "Reggie" Kuruwita @reggiek.bsky.social Sri Lankan-Australian Astrophysicist 🇱🇰🇦🇺. Post-doc at the Australian National University. Binary and multiple star formation! ✨ Cats, Space, science-based life choices, DV survivor, She/her, opinions my own
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. 
Brett Morris @brettmorr.is Astronomer, software engineer.
Supporting space telescopes, open science, and data access in astrophysics.
Thrilled and haunted by dots on stars.
http://brettmorr.is/
Posts my own, not my employer's.
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/
Matthieu Béthermin @matbethermin.bsky.social Faculty astronomer at Strasbourg observatory. Star formation in high-z galaxies from sub-galactic scales to large-scale structures. Long distance triathlete when I am not nerding on my laptop. Husband of @karinavoggel.bsky.social.
Marcin Semczuk @msemczuk.bsky.social Dad & Husband | Postdoc in Astrophysics (galactic dynamics & morphology) at the Universitat de Barcelona 🌌 | 🇵🇱 in 🇪🇸 | FPL enthusiast ⚽️
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
Cliff Johnson @lcjohnso.bsky.social Astronomer and Zooniverse Co-Director | NorthwesternU + Adler Planetarium | Things that are amazing: galaxies, star clusters, and big shiny telescopes.
Jiayi Sun @astrojysun.bsky.social Astronomer @ Princeton University (NASA Hubble Fellow) | 孙嘉懿 | he/him | https://astrojysun.github.io
Katja Fahrion @katjafah.bsky.social Astronomer, Marie Curie Fellow at Uni Vienna, studying nuclear star clusters, globular clusters and galaxies. She/her
Richard Alexander @richardalexander.bsky.social Astrophysicist at the University of Leicester | Dad | Cyclist | Exiled Scot
https://rdalexander.github.io
Laura Lopez @ohdearz.bsky.social Professor of astronomy 🔭 at Ohio State. Co-chair of @aascsma.bsky.social. Alum of UCSC and MIT. She/her 🇲🇽
Randall Munroe @xkcd.com 
Peter Coles 🏳️🌈 🏳️⚧️ 🇮🇪 @telescoper.bsky.social Theoretical astrophysicist specializing in the Universe and all that surrounds it. Based in Ireland. Personal account. Call me old-fashioned but I don't like fascists. He/him/his.
Blog: telescoper.blog
Corey S. Powell @coreyspowell.bsky.social Fascinated by things very big, very small, and beyond the limits of the human senses. Founder of OpenMind: www.openmindmag.org Creator of the Invisible Universe column: https://invisibleuniverse.substack.com/
Julianne Dalcanton @dalcantonjd.bsky.social Astrophysicist at the Center for Computational Astrophysics & U. Washington. 
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
Sarah Loebman @sloebman.bsky.social Astrophysics faculty, diversity, equity, & inclusion enthusiast, passionate about Big Data and the Milky Way.