Dana A. Goward @gpsbackup.bsky.social President, Resilient Navigation & Timing Foundation - Speaking Up for GPS/GNSS Users - Learn More: https://rntfnd.org/
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”)
Jörg Matthias Determann @determann.bsky.social Historian at Virginia Commonwealth University in Qatar. Author of “Diversity, Equity, and Inclusion in Astronomy” and “Islam, Science Fiction and Extraterrestrial Life.” https://vcu.academia.edu/Determann
hydrasdr.com @hydrasdr.com Professional SDR Hardware & Platform
HydraSDR RFOne Now In Stock at DigiKey https://t.co/xr6aCGfvKo | 🇺🇸 Made in USA | Industrial grade
https://hydrasdr.com
Galaxy Map @galaxymap.bsky.social The first accurate and detailed maps of the Milky Way and ways to promote and visualize them (including VR).
Website: https://kevinjardine.dev
Tip jar: https://tiptopjar.com/kevinjardine
Andrew Liptak @andrewliptak.com Writer, historian, cosplayer, Vermonter. Author of Cosplay: A History.
Newsletter: https://www.andrewliptak.com
Asteroid Institute, a program of B612 @b612-asteroid.bsky.social Developing tools and technologies to understand, map, and navigate our solar system and protect our planet from asteroid impacts. Learn more
B612foundation.org
B612.ai
schweickartprize.org
Physics World @physicsworld.bsky.social News, views and information for the global physics community. physicsworld.com
SkyMapper @skymapper.bsky.social SkyMapper.io merges advanced telescope and camera tech with Web3 to make space exploration collaborative and accessible for everyone, empowering the world to map and share the sky together.
Franck Marchis @allplanets.bsky.social Dad, Entrepreneur, astronomer, dog-lover who cares about this planet, and our future as a species. You should as well...
Rebecca Charbonneau @rebeccacharbon.bsky.social Historian of Science at The American Institute of Physics. Adjunct Asst Scientist at the National Radio Astronomy Observatory, Research Fellow at the SETI Institute. Author of Mixed Signals: Alien Communication Across the Iron Curtain.
Chop Shop Studio 🇺🇸+🇺🇦+🏳️⚧️+🇬🇧 @chopshopstore.bsky.social Makers of fine Planetary Society and SETI products found at Chopshopstore.com | Our design studio is chopshop.studio | Find my Space Vehicle Pins here: https://chopshopstore.myflodesk.com/vehiclesonly
Prof. Abel Méndez @profabelmendez.bsky.social Planetary Astrobiologist and Director of the
@PlanetaryHabLab. http://astrodon.social/@profabelmendez #exoplanets #astrobiology #habitability
Space Sciences Laboratory @ucbssl.bsky.social The UC Berkeley Space Sciences Laboratory (SSL) designs, builds and operates high-return, low-cost NASA missions. Our engineers, scientists and staff support a wide range of space and ground-based projects. 👇
https://www.ssl.berkeley.edu/
NOAA @noaa.gov NOAA provides science, service and stewardship to protect life, property & Earth's natural resources. An agency of the Department of Commerce. Join us on Instagram & Facebook. Official NOAA account.
Patrick Dohmen @dl4pd.bsky.social Per liberum ad astra! ✨
LSF Core Contributor 👽| AMSAT-DL 🛰️| DARC 📡 | OV-G56 🇩🇪
Firefighter 🧑🚒 | Paramedic ⚕️
@darc-ev.bsky.social @darc-ev.bsky.social 
Ronald Snijders @ronaldsnijders.bsky.social Komiek www.normalemensen.nl
Committee on Space Research @cospar.bsky.social COSPAR aims to promote international space research and to provide a forum, open to all scientists, for the discussion of what may affect the field.
PyTorch @pytorch.org Tensors and neural networks in Python with strong hardware acceleration. PyTorch is an open source project at the Linux Foundation. #PyTorchFoundation
pytorch.org
CuriousMarc @curiousmarc.bsky.social Vintage electronics from youtube/@curiousmarc and www.curiousmarc.com
Angadh Nanjangud @angadh.com 🇮🇳🇬🇧 peripatetic space technologist
Space Engineering Lecturer @qmul.bsky.social
Meditations angadh.com
Tony Dunn @tony873004.bsky.social Orbit simulations of planets, comets, asteroids and other interesting stuff. Amateur astronomer. BA: Physics & Astronomy, SFSU.
COMSPOC Corp. @comspoc.bsky.social Supporting the space operations community with software products and services that address current and emerging challenges in the space environment. 🔗 comspoc.com
Check out spacebook.com, our internet-based SSA data and visualization service. 🌎🛰️
Christian Panton @pa.nton.cx OSINT Specialist @ DR Verificerer
Prefers Signal over DM/chat: panton.01
Personal, long form, seldom updated: https://christian.panton.org/
All posts and views are my own, and might contain traces of nuts.
Sean Carroll @seanmcarroll.bsky.social Physics, philosophy, complexity. @jhuartssciences.bsky.social & @sfiscience.bsky.social. Host, #MindscapePodcast. Married to @jenlucpiquant.bsky.social.
Latest books: The Biggest Ideas in the Universe.
https://preposterousuniverse.com/
NSF–DOE Rubin Observatory @vrubinobs.bsky.social Get ready for a new era in astronomy and astrophysics with Rubin Observatory!
Para español siga a Instagram: http://instagram.com/rubin_observatory
hforsten @hforsten.com Electrical engineer. RF electronics, IC design, radars, FPGA, programming. hforsten.com- G Paul Gilster @gilster.bsky.social Writer/editor Centauri Dreams
Phil Crump @philcrump.bsky.social Satellite Comms Engineer by day, SDR and Ham Radio in the off time.
Landru79 @landru79.bsky.social Jacint Roger
Alineapíxeles.
Dr. Craig DeForest ☀️ @craig.deforest.org Dad, mountaineer, heliophysicist. I lead the PUNCH space mission and direct a team at SwRI. I like science, space, communication, humans, dogs, horses, puns. Lowering barriers and promoting open science are priorities. My personal account; my opinions.
Department of Physics at the University of Oxford @oxfordphysics.bsky.social We work to develop, nurture and promote a physics community. Visit https://linktr.ee/PhysicsOxford for events, news and to learn more about the research taking place in our Department.
Andrew Annex @andrewannex.com Coder & Ph.D. @JohnsHopkins, Frmr Postdoc @Caltech, #MastcamZ, #M2020. Author of #spiceypy Python package. My opinions are my own. www.andrewannex.com
@scottmanley.bsky.social @scottmanley.bsky.social 
Albert Wenger @albertwenger.bsky.social VC at usv.com, blog at continuations.com, book at worldaftercapital.org
Kevin M. Gill @kevinmgill.bsky.social Engineer, data wrangler, and martian photographer at NASA-JPL, Los Angeles. Curiosity Rover ECAM PUL. Saturn native, commutes to Jupiter. USMC vet. Opinions are mine https://apoapsys.com
Space Telescope Science Institute @stsci.edu STScI is the Science Operations Center for Webb, Hubble, and the upcoming Roman space telescopes, & Mission Operations Center for Webb. We help humanity explore the universe with advanced space telescopes and data archive. news.stsci.edu
Dr. Jessie Christiansen @aussiastronomer.bsky.social Caltech/IPAC Planet Hunter | Chief Scientist, NASA Exoplanet Science Institute | @TEDFellow | Science consultant | SHERA PI | My views are not the views of NASA | She/her
Robert McNees @mcnees.bsky.social Physicist and Professor at a university in Chicago. I study black holes, quantum gravity, and cosmology. Rocky Top, Tar Heel. Reposts are spooky action at a distance.
My views, not my employer's.
https://jacobi.luc.edu
https://mcnees.github.io
Astrogator John @astrogatorjohn.bsky.social Astrogation, Space Strategy & Mission Concepts, Analysis, Software, Training; Experience with LEO, GEO, Cislunar, Lunar, Libration-Point, Interplanetary
CTO of SEE.com
Andrew Jones @andrewjonesspace.bsky.social Freelance journalist mainly tracking Chinese space activities. Correspondent at SpaceNews, also bylines at Spacedotcom, IEEE Spectrum and more.
Matthew Cosby @matthewcosby.bsky.social CTO at Goonhilly Earth Station Ltd (@goonhilly.org). Worked on Shuttle, MIR, Mars Express, TopSat, ExoMars, now the Moon/Artemis
Flightradar24 @flightradar24.com The world’s most trusted flight tracker.
Libre Space Foundation @librespace.bsky.social A non-profit organization promoting, advancing and developing free & open-source space technologies and supporting knowledge for space.
Working towards making space open and accessible to all humanity!
https://libre.space/
Oxford Mathematics @oxfordmathematics.bsky.social Official account of the Mathematical Institute, University of Oxford
AMSAT-HB @amsat-hb.bsky.social We know how Amateur Radio works in space!
www.amsat-hb.org
Stephen Wolfram @stephenwolfram.bsky.social Creating ideas, science, technology, books, companies, ...
Vereinigung der Sternfreunde @sternfreunde.de Die Vereinigung der Sternfreunde e.V. ist mit ca. 4000 Mitgliedern der größte überregionale amateurastronomische Verein in Deutschland. Am 12. August 2026 ist Sonnenfinsternis und Lange Nacht der Astronomie!
https://sternfreunde.de/
McGill Interstellar Flight Research Group @mcgill-adastra.bsky.social Interstellar Flight Experimental Research Group @mcgill.ca : Researching the technologies that will make our civilization multi-stellar.
https://interstellarflight.space/
Mary Knapp @mknapp.bsky.social Radio astronomer, cycling and gardening enthusiast, fiber artist 
nrcwetenschap @nrcwetenschap.bsky.social Wetenschapsredactie NRC en Onbehaarde Apen. Bluesky-account wordt bestuurd door sander voormolen en hendrik spiering
🇺🇦 paul q. brussée @paulbrussee.bsky.social Piano 🎹 Spinoza Bach Darwin ∴ Antiquity ∴ Physics Palaeontology Astronomy ∴ Poetry Literature ∴ Cosmopolitan European Democrat ∴ Apathist ∴ Protect Ukraine 🇺🇦
The stuff of life to knit me, blew hither: here am I 🦕
Our future depends on science 🔬
The Astrosky Ecosystem @astrosky.eco We're building new social media tools for astronomers and astronomy enthusiasts online - from feeds to account hosting.
Website: https://astrosky.eco | GitHub: https://github.com/the-astrosky-ecosystem
Account managed by @emily.space
qntm @qntm.org There Is No Antimemetics Division (https://qntm.org/antimemetics) ~ "Lena" ~ Absurdle ~ HATETRIS ~ many other cool things
Readwise @readwise.bsky.social Save your best highlights from Kindle, Twitter, Pocket, Instapaper, iBooks, and 30+ others.
Then revisit, search, organize, and export them seamlessly.
Obsidian @obsidian.md The free and flexible app for your private thoughts. For help and deeper discussions, join our community: http://obsidian.md/community
Rop Gonggrijp @rop.gonggri.jp Doomscroller avant la lettre. This account is in English, public replies in other languages will be hidden.
Occasional posts in Dutch on @rop.nl and in German on @deutsch.rop.nl
Craig Mod @craigmod.com Writer & photographer. Japan based for 20+ years.
Author of Things Become Other Things (Random House: May 2025), Kissa by Kissa (2020). Contributor to NYTimes, Atlantic, WIRED, and more. Walks a lot. Bla bla bla!!
shop.specialprojects.jp
craigmod.com
Flight Software Workshop @flightsoftware.org 2026 Workshop on Spacecraft Flight Software - Hosted at Johns Hopkins University Applied Physics Laboratory https://flightsoftware.org
Joseph Gruber @josephgruber.com Satellite ground software/mission ops software engineer. Alum of AWS Ground Station, Blue Origin, NASA Goddard. and the GWOT.
Occasional weather, Python dev, AWS DevOps, space, aviation, and the Phillies 🔔.
Opinions my own.
📍 Colorado
CNX Software @cnx-software.com News about Linux and Android, ARM & RISC-V processors, open-source hardware, embedded systems, single board computers, Arduino, Raspberry Pi, and more
Website: https://www.cnx-software.com
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
George Heald @georgeheald.bsky.social 
Dan F-M @dfm.io Retired computational astrophysicist
Interpretability at Anthropic; prev Google DeepMind, Simons Foundation, Journal of Open Source Software
(he/him)
https://dfm.io // https://github.com/dfm
CosmicPinot @cosmicpinot.bsky.social Brian P. Schmidt: Astronomer at Mt Stromlo Observatory, Vigneron and Winemaker Maipenrai, Vice Chancellor Australian National University, Nobel Laureate Physics
@handle.invalid @handle.invalid 
@tammo80.bsky.social @tammo80.bsky.social 
Elon Musk's Jet Tracking @elonjet.net ElonJet | Tracking Elon Musk’s Jet by @jacks.grndcntrl.net
Also follow @spacexjets.grndcntrl.net
Steve Giordano @stevenomadic.bsky.social Nomadic Aviation Group, Creator of Cockpit Casual on YouTube, PIC rated on B737/757/767/777/787/A320/330/340/DC9/DHC8/CE500/IAJET, Husband to Avery, Father of boys, Guardian of Dogs, Philly Sports
@cosmos4u.bsky.social @cosmos4u.bsky.social 
Black Hole @blackholec.bsky.social Only New content,news, article, images, and discussion
ARISS - Amateur Radio on the International Space Station @arissintl.bsky.social Official ARISS! ARISS lets students worldwide experience the excitement of talking directly with crew members of the International Space Station via amateur radio, inspiring them to pursue interests in careers in science, technology, engineering and math.
Proton @proton.me Choose a better internet where privacy is the default. Start protecting your personal information online with Proton Mail, Proton VPN, Proton Drive, Proton Pass, Proton Wallet, and Lumo: https://proton.me/
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
Huub Eggen @huubeggen.bsky.social Atmospheric phenomena, astronaut photography of earth, co-organizer of Science Café Deventer, geomorphologist by education, co-founder of the Dutch Association for Science Journalism and Science Communication (VWN), posts mostly in Dutch and English
Eric Berger @sciguyspace.bsky.social Senior Space Editor, Ars Technica. Likes rockets. 
Karen Masters @karenlmasters.bsky.social Prof. of Astronomy and Physics, Haverford College. PI of Galaxy Zoo. Radio astronomer. Check out my latest book “The Astronomers Library” about books, libraries and astronomy - three of my favourite things. Brit/US.
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
The Astro Society @astrosociety.org The Astro Society promotes science and literacy via resources and programs that uplift community engagement through the awe and wonder of space. Founded in 1889 as the Astronomical Society of the Pacific, we are the oldest astro society in the U.S.
SatNOGS @satnogs.bsky.social A global satellite ground station network. Built as an open-source project run by volunteers around the world.
Supported by the Libre Space Foundation.
We hunt satellites! 📡🛰️
Join us!
https://satnogs.org/
OzGrav @ozgrav.bsky.social 
phyphox project @phyphox.org Turn your phone into a lab with phyphox by RWTH Aachen University.
Impressum: http://phyphox.org/site-credits
🦣 @phyphox@bildung.social
Firefly Aerospace @firefly-aerospace.bsky.social 
Paul Byrne @theplanetaryguy.com Associate Professor of Earth, Environmental, and Planetary Science at Washington University in St. Louis • NASA Planetary Data System Geosciences Node Director • Explorers Club EC50 • 🇮🇪 & 🇺🇸 • he/him
JetKVM @jetkvm.bsky.social Control any computer remotely
Pre-order today for $69
jetkvm.com
Luigi Cruz @luigifcruz.bsky.social Computer Engineer. Radio Amateur (PU2SPY). I talk about SDR, Raspberry Pi, Machine Learning, Parallel Computing, Satellites, Python, C++, and Golang.
Von Storch Engineering @vonstorcheng.bsky.social RF, Ground Station & Tracking services for the Aerospace sector
Website: https://vonstorchengineering.com
Nascom1 @nascom1.bsky.social All my tweets are my opinion and not those of my employer or related institutions.
Sander Schimmelpenninck @schimmelpenninck.bsky.social Journalist and entrepreneur
Dr. Chenoa D. Tremblay @chenoachem.bsky.social Astrophysics...Astrochemistry...SETI...Computing...Geochemistry... Research and Development... Wife...Mom...Gamer..opinions my own.
Nadia Drake @nadiadrake.bsky.social Science journalist, champagneophile, nap champ. Currently freelance, formerly National Geographic. 🇱🇧🇺🇸🏳️🌈
Signal: nadiadrake.01
PEØSAT @pe0sat.bsky.social | Information about Amateur Radio – Satellite experiments |
Jean-Marc van Tol @jmvtol.eurosky.social Tekenaar, auteur, uitgever. Muziek, geschiedenis, strips, voetbal, literatuur. Romans Musch en Buat. Volg me voortaan via: buat.substack.com (voor Johan de Witt) en vantol.substack.com (voor Fokke & Sukke) Of: @JeanMarcvanTol@mastodon.nl
ESA Exploration @exploration.esa.int Sharing news on Europe's human and robotic exploration, from astronaut training to the next giant leap to the Moon and Mars.
ESA Technology @technology.esa.int Follow the latest news, developments and new technologies from the European Space Agency's R&D Directorate
ESA Connectivity and Secure Communications @esaconnectivity.esa.int Advancing space-based connectivity – bringing broadband to rural areas, supporting crisis response, enhancing cybersecurity, and connecting everyone, everywhere, at all times. Part of the European Space Agency @esa.int family.
ESA Operations @operations.esa.int From Earth orbit to deep space: sharing the excitement of real-time mission operations at the European Space Agency. Home for ESA's teams working on Planetary Defence, Space Weather, Clean Space & Space Debris.
esa.int/Operations
esa.int/Space_Safety
ESA Space Science @science.esa.int Keeping you posted on space science activities from the European Space Agency.
Web: http://www.esa.int/science
Privacy Notice: esa.int/connectwithus
#astronomy #space #science