John T (the GRA is silent) @grajohnt.bsky.social Vibe Personality Hire
Geology PhD, maker of absurd things, radio, and other nonsense. Always interested in how we learn through failure. Most posts over at grajohnt
@chaos.social
Umbra @umbra.space 24/7, day or night, All-weather satellite imagery utilizing SAR, Synthetic Aperture Radar technology.
SAR Data + Satellite Systems
https://umbra.space
ALL IMAGERY ON THIS CHANNEL IS AVAILABLE TO DOWNLOAD FOR FREE VIA THE UMBRA OPEN DATA PROGRAM.
Michael Seeley @mseeley.net Photographer / Space nerd / Healthcare
Photos of stuff (rockets preferred)
We Report Space co-founder
Nat Geo contributor
President, Health First Foundation
Reposts / follows ≠ endorsement
More: https://linktr.ee/michaelseeley
Justin Kugler @phalanx.bsky.social Senior Director of Business Dev for Intuitive Machines; Fmr Made In Space, ISS National Lab, and various other programs; Working to bring the abundance of our solar system to humanity; space systems/foresight/policy/strategy. All opinions mine. He/him
Tim Farrar @tmfassociates.bsky.social Consultant in satellite communications and wireless spectrum. I enjoy annoying billionaires, especially the "(Former) Trillionaire"
Luis Veci @luisveci.bsky.social SNAP and the Sentinel-1 Toolbox -- Open Data, Open Source, Open Science
https://www.linkedin.com/in/luis-veci
Staff Software Engineer @SkyWatchApps🛰
Every Pixel In One Place
Caleb Henry @chenryspace.bsky.social Director of Research at Quilty Space
🚀 🛰️📡
Writing a book on OneWeb and the rise of megaconstellations
https://chenryspace.substack.com/
Charity Weeden @charityweeden.bsky.social Technology, policy, strategy, and more. Much more. Views are mine alone.
Orbital Policy Group @druidorbital.bsky.social Viewpoints and opinions on policy issues relating to Low Earth Orbit, including policy, science, governance, and cybersecurity.
Mike Gruss @mikegruss.bsky.social Chief content and strategy officer at @spacenewsinc.bsky.social
Joey Roulette @joroulette.bsky.social Reuters' space reporter
Evergreen Intel @vcdgf555.bsky.social OSINT, geolocations, air/sea data. Snarky AvGeek.
Cites: NYT, Мілітарний, Newsweek, The Aviationist, TWZ, A&SF Mag
"Sharp-eyed aviation buff & flight tracker" ~ Brian Williams
https://buymeacoffee.com/vcdgf555
She/her
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
✨🇨🇦🏳️🌈✨
Tory Bruno @torybruno.bsky.social President and CEO United Launch Alliance @ULAlaunch, ...Rocket Scientist, Horseman, proud @calpoly alum
Cosmic Penguin @cosmicpenguinov103.bsky.social Astronomy & spaceflight weeb penguin. In a relationship w/ Space Shuttle Discovery. Starship x Space Launch System shipper. Chinese spaceflight news hunter.
Everyday Astronaut @handle.invalid ⚠️ MIRROR OF twitter.com/Erdayastronaut
⚠️ If you own the original account and want to claim this, please contact @twttr-mirrors.bsky.social
Michael Cruickshank @cruickshank.bsky.social Geospatial analyst, OSINT investigator, and journalist. Investigating the intersection of climate resilience and human systems, and sometimes writing fiction. From 🇦🇺, now in 🇪🇺.
📍Berlin, Germany
https://www.michaelcruickshank.me/
The Aviationist @theaviationist.com Unmatched, unconventional, independent coverage of military aviation, defense, tech & everything in the middle.
Edited by David Cenciotti (@cenciotti.theaviationist.com)
https://theaviationist.com- S Spaceflight Now – The leading source for online space news [Uno… @spaceflightnow.com.web.brid.gy 🌉 bridged from 🌐 https://spaceflightnow.com/: https://fed.brid.gy/web/spaceflightnow.com
Rocketpoweredkeith @rocketpoweredkeith.bsky.social 
David Burbach 🇺🇸 @dburbach.bsky.social Prof. National Security and International Relations. Space security, civil-military relations. Cats, science, photography for fun. Providence RI; Oregon at heart! Personal views ONLY; no govt resources used. Assoc Ed @TNSR.org
Bleddyn Bowen @bleddb.bsky.social Associate Professor of Astropolitics | Space warfare | Own views
Books: Original Sin http://bit.ly/3JYbcIe ; War in Space http://bit.ly/34Stplv 🏴🏳️🌈 🚀🛰
Web: https://tinyurl.com/p9pt8n9n
“He doesn’t see the stars - just the vast dark spaces in between.”
Ankit Panda @nktpnd.bsky.social Stanton Senior Fellow, Carnegie Endowment for International Peace; Author of ‘THE NEW NUCLEAR AGE’ (Polity) & ‘KIM JONG UN AND THE BOMB’ (Hurst/Oxford)
Subscribe to my newsletter (Nukesletter): https://panda.substack.com/
OrbitalFocus @orbitalfocus.bsky.social For those genuinely interested in the finer points of new launches & activities on orbit. Curated by Robert Christy.
www.OrbitalFocus.uk
Pavel Podvig @russianforces.org Russian nuclear forces, nuclear arms control, disarmament, verification. Strictly personal views here.
All coordinates are at http://russianforces.org/podvig
Gunter Krebs @skyrocket.de Spaceflight Historian & Analyst, Nerd, Physicist and Editor of Gunter's Space Page (http://space.skyrocket.de)
Steve Trimble @thedewline.bsky.social I’m the Defense Editor at Aviation Week.
Andrew Jones @andrewjonesspace.bsky.social Freelance journalist mainly tracking Chinese space activities. Correspondent at SpaceNews, also bylines at Spacedotcom, IEEE Spectrum and more.
Decker Eveleth @dexeve.bsky.social PRC and DPRK strategic forces analyst with CNA. BA Reed College, MA Middlebury Institute. NSF GRFP. 
Jonathan O'Callaghan @astrojonny.bsky.social Freelance space journalist. British Science Journalist of the Year 2024. Words in The New York Times, Scientific American, New Scientist, BBC, WIRED, + more.
Bangkok, Thailand
jdaoca@gmail.com
@astro_jonny on Twitter
https://www.jonathanocallaghan.com/
Dave Schmerler @schmerler.bsky.social 
Bellingcat @bellingcat.com Bellingcat is a global collective uncovering facts to hold power to account. Our work is independent. Our methods are public. Our community is global.
Want to support our charity? bellingcat.com/donate
Hans Kristensen @nukestrat.bsky.social Director, Nuclear Information Project, Federation of American Scientists. Tracking nuclear arsenals, co-author of Nuclear Notebook, SIPRI Yearbook. Opinions my own.
Website: https://fas.org/initiative/nuclear-information-project/
Scott LaFoy @wslafoy.bsky.social Open Source Analysis of ballistic missiles, nuclear weapons, BMD, DPRK, & PRC.
Vice President of Nuclear and Technology Security Programs, Exiger.
Making podcasts over at https://www.armscontrolwonk.com/
All opinions my own.
Defense News @defensenews.bsky.social Defense News is the global defense community's leading source of news & analysis on programs, policy, business & tech. Sign up for our newsletters: http://defensenews.com/newsletters
H I Sutton @covertshores.bsky.social Independent Defense Analysis, Unconventional Naval Warfare, author, submarines, #OSINT, illustrations. Mostly typos
http://www.hisutton.com/
Shashank Joshi @shashj.bsky.social Incoming Washington bureau chief at The Economist. Previously defence editor for eight years.
Visiting Fellow at Department of War Studies, KCL. For speaking engagements: https://chartwellspeakers.com/speaker/shashank-joshi- A Ari Lewis @amlewis4.bsky.social Cofounder Payload Space | Media & Space
Courtney Bailey @netlawyer.bsky.social In-house lawyer, former NASA, intellectual property and government contracts. 
OSINT-Research 🕵️ @osint-research.bsky.social Connecting.The.Dots.
Finds it!
Posts about #OSINT, #GeoInt, #HumInt; #OpSec, #InfoSec & #AI .
✅ https://osint-research.com
🧰 osintresourceshub.com
𐂷 https://linktr.ee/osint_research
🔗: start.me/p/rxekAP/osint-research
@vsamsondc.bsky.social @vsamsondc.bsky.social Hates the humidity, loves cats. Works on space policy for @swfoundation.bsky.social, but opinions are mine, not my organization's. She/her
Jeffrey Lewis @armscontrolwonk.bsky.social William J. Perry Lecturer at Stanford CISAC & Distinguished Research Fellow FPRI. Member of the Bulletin of Atomic Scientists Science and Security Board & National Academies Committee on Int’l Security and Arms Control.
Scott Manley @handle.invalid ⚠️ MIRROR OF twitter.com/DJSnM
⚠️ If you own the original account and want to claim this, please contact @twttr-mirrors.bsky.social
Radio&Nukes @radioandnukes.com Analysis is the art of making sense out of fragments.
Loren Grush @lorengrush.bsky.social Space reporter at @bloomberg.com covering NASA, commercial space, and the cosmos | Send tips: LGrush@bloomberg.net | Signal username: lorengrush.56 | Buy my book! https://www.simonandschuster.com/books/The-Six/Loren-Grush/9781982172817
Alan Boyle @b0yle.bsky.social Science editor / GeekWire / Universe Today / Cosmic Log / Fiction Science podcast / The Case for Pluto
Geoff Brumfiel @gbrumfiel.bsky.social I'm an editor/correspondent for NPR. Mostly smart on the radio. Mostly stupid on everywhere else.
ChatGPT describes me as: "Aerospace sleuth, nuclear nerd and NPR Superfan — with a side of surreal humor."
Signal: gbrumfiel.13
https://geoffbrumfiel.net/
Robert Pearlman @collectspace.bsky.social editor of http://collectSPACE.com, on the trail of space history artifacts, missing moon rocks and where space exploration intersects with pop culture
Chris Lewicki @interplanetchris.bsky.social Space Industrialist, entrepreneur, engineer and “near-futurist” focused on the economic development of space.
DutchSpace @dutchspace.eurosky.social Multipurpose spacecraft wrangler for @esa.int
Opinions my own.
https://x37b.nl
Eric Berger @sciguyspace.bsky.social Senior Space Editor, Ars Technica. Likes rockets. 
Jeff Foust @jfoust.bsky.social Senior Staff Writer, SpaceNews. Tips? Email jfoust@spacenews.com or contact on Signal: jfoust.58.
Harry Stranger @spacefromspace.com Satellite images past and present 🛰️
Building an archive of interactive declassified spy satellite images 🕵️
https://spacefromspace.com
Brad Neuberg @bradneuberg.bsky.social Machine Learning engineer @planet. Mentor with Frontier Development Lab. Previously at Dropbox & Google. Started coworking. Interests: Machine Learning, space, Earth Observation, VR.
http://codinginparadise.org
Twitter: @bradneuberg
Casey Handmer PhD @cjhandmer.bsky.social Most active on X. Physicist, Immigrant, Pilot, Dad. Former Caltech, Hyperloop, NASA JPL. Founder Terraform Industries. Build more solar!
Marco Langbroek @marcolangbroek.bsky.social Lecturer in optical Space Situational Awareness at Delft Technical University, faculty of Aerospace. Spy sats, missiles, meteorites, asteroids. Asteroid (183294). Lapsed Archaeologist (PhD). Rowing. CFS. Opinions my own.
blog: http://sattrackcam.blogspot.c
Will Pomerantz @pomerantz.bsky.social Head of Space at AeroVironment - my team makes Mars helicopters. Co-Founder, Brooke Owens Fellowship and Patti Grace Fellowship. Former planetary scientist. Husband, Dad, and Den Leader
Off-Nominal @offnom.com Friends, drinks, & casual conversations about space. Hosted by @jakerobins.com and @acolangelo.com of Main Engine Cut Off.
Lori Garver's mom's favourite podcast
NASAWATCH @nasawatch.bsky.social NASAWATCH.com - Unofficial Space News Since 1996
Jonathan Goff @rocketrepreneur.bsky.social Your typical mild-mannered recovering rocket engineer, husband and father of four crazy boys, serial space-entrepreneur, and proprietor of the Selenian Boondocks blog. 
Scott Tilley @coastal8049.bsky.social Guests do not get to rearrange the furniture and then act shocked when shown the door.
Pierre Lionnet @lionnetpierre.bsky.social Space Economist (one of the very few). Research and Managing Director at Eurospace. Views are mine not Eurospace. - S SpacePolicyOnline @spacepolicyonline.bsky.social SpacePolicyOnline.com is your first stop for news, information and analysis about civil, commercial, and national security space programs. Marcia Smith is the editor.
Brian Weeden @brianweeden.bsky.social Space policy wonk, former engineer, husband, father, Dungeon Master, and all around geek. I post things I find insightful, informative, or provocative
Joe Morrison @joemorrison.bsky.social “Controversial industry figure” - Grid News. VP of Commercial Experience at Umbra Space. 🛰 | satellite data for mapping 🗺, monitoring 📈, and 'mergencies 🚨
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
Thomas Burghardt @tgmetsfan98.bsky.social Starship Engineer at SpaceX
(Space) Case Taylor @spacecase.bsky.social Investor by day, analyst by night // Writing about the business of space @ http://caseclosed.substack.com // Investing @ http://usitfund.com
Trevor Mahlmann @tmahlmann.com pictures
Dwerner @spacereporter.bsky.social Debra Werner 415-412-5819 on Signal
Joe Barnard @joebarnard.bsky.social Intern @ http://youtube.com/bpsspace
Michael Sheetz @michaelsheetz.bsky.social Firefly Director of Investor Relations | previously @CNBC
f/k/@ thesheetztweetz
Gene J. Mikulka @genejm1017.bsky.social Founded the Talking Space Podcast in 2009.
Immersed in spaceflight since the Apollo days, Space Advocate and lovebird Dad. All Opinions are mine alone and don't reflect the position of the podcast. https://www.talkingspaceonline.com
Lavie Ohana @lavie.lv154.net building bridges to the stars >> fmr. strategy + creative @ abl space systems, space stories @ space scout >> she/they 🏳️⚧️
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