Reposted by Alejandro S. BorlaffJonathan McDowell @planet4589.bsky.social · 28/09/2026Did an interview at the ESA open day with @spacerocksofficial.bsky.social 0462
Alejandro S. Borlaff @asborlaff.bsky.social · 24/09/2026Four years after the end of the incredible NASA/DLR SOFIA Airborne Observatory, PRIMA (PRobe far-Infrared Mission for Astrophysics) got selected as NASA's next space FIR observatory. Go PRIMA! www.nasa.gov/news-release...nasa.govNASA Selects Far-Infrared Telescope as First in New Mission Class - NASANASA announced Wednesday a mission to explore the history and evolution of the universe, PRIMA (PRobe far-Infrared Mission for Astrophysics), is advancing to 084
Reposted by Alejandro S. BorlaffDr. Jessie Christiansen @aussiastronomer.bsky.social · 23/09/2026Congrats to the whole PRIMA team on the selection of NASA's first Probe Explorer mission!!!!!! @caltechipac.bsky.social will be PRIMA's science center, and we look forward to working with everyone over the next decade on this exciting project! www.nasa.gov/news-release...nasa.govNASA Selects Far-Infrared Telescope as First in New Mission Class - NASANASA announced Wednesday a mission to explore the history and evolution of the universe, PRIMA (PRobe far-Infrared Mission for Astrophysics), is advancing to 47712
Reposted by Alejandro S. BorlaffDr./Prof. Meredith MacGregor @mmacgreg.bsky.social · 23/09/2026YES!!! LET'S GO PRIMA!!! Such a joy to be part of this wonderful team 🌌🔭🚀 www.nasa.gov/news-release...nasa.govNASA Selects Far-Infrared Telescope as First in New Mission Class - NASANASA announced Wednesday a mission to explore the history and evolution of the universe, PRIMA (PRobe far-Infrared Mission for Astrophysics), is advancing to 28015
Alejandro S. Borlaff @asborlaff.bsky.social · 23/09/2026As we work through the Roman Space Telescope commissioning, I wanted to share a few thoughts about my personal experience as part of the mission team during the past 3 years and also about working in NASA in general too. science.nasa.gov/missions/rom...science.nasa.govRoman Commissioning - NASA ScienceRoman is making its three-month journey from Earth to Sun-Earth Lagrange Point 2, or L2. Along the way, Roman is undergoing a process called commissioning, 132
Reposted by Alejandro S. BorlaffJonathan McDowell @planet4589.bsky.social · 16/09/2026I am deeply honored to be awarded this year's Loftus Space Sustainability Award by the International Association for the Advancement of Space Safety. I'm looking forward to meeting colleagues in the space sustainability community at the IAASS meeting in Antibes next month. 71247
Alejandro S. Borlaff @asborlaff.bsky.social · 17/09/2026Growing up is realizing that the scene where John Wick falls over 222 steps and then has to walk them up again is perhaps the most relatable and realistic scene of the whole saga.static.klipy.comJohn Wick 4 FallALT: John Wick 4 Fall 000
Reposted by Alejandro S. BorlaffZach Weinersmith @zachweinersmith.bsky.social · 15/09/2026Can we please stop doing this? I made a comic about it and everything! 142240411
Reposted by Alejandro S. BorlaffSpace Telescope Science Institute @stsci.edu · 15/09/2026“As a result of exquisite planning by our orbital dynamics team, brilliant execution by the operations team, and a precise launch from SpaceX, Roman has fuel for at least 22 years of potential science operations,” said Jamie Dunn, center director at NASA’s Goddard Space Flight Center. #NASARoman 🔭 science.nasa.govFuel Savings Double Potential Lifetime for NASA's Roman Mission - NASA ScienceThe results are in: NASA's Nancy Grace Roman Space Telescope's very accurate first mid-course correction, along with other fuel savings, are expected to more 216549
Reposted by Alejandro S. BorlaffJonathan O'Callaghan @astrojonny.bsky.social · 15/09/202622 years. I'll be 60 when this stops working. Incredible. 1144
Reposted by Alejandro S. BorlaffAdmirable Women @admirablewomen.bsky.social · 13/09/2026#OTD in 1992, Dr. Mae Jemison launched into orbit as a mission specialist aboard the Space Shuttle Endeavour making her the first Black woman to travel into space. An incredible life: + Physician (M.D., Cornell 1981) + Peace Corps Area Medical Officer in Sierra Leone & Liberia #WomenInSTEM 🧵 251720512
Reposted by Alejandro S. BorlaffJonathan O'Callaghan @astrojonny.bsky.social · 09/09/2026Does anyone know how many human-made craters are on the Moon? 461
Reposted by Alejandro S. BorlaffESA Operations @operations.esa.int · 01/09/2026🔥Samba’s reentry was recorded! There is fire streaking across the sky in this first image from the ROSIE plane campaign. Credit: ESA/ROSIE/University of Stuttgart (HEFDiG) Read more: www.esa.int/Space_Safety... 2408
Reposted by Alejandro S. BorlaffAurélien Genin @astroaure.eurosky.social · 01/09/2026☄️ Et voilà la première image de la désintégration du satellite Samba 🤩 📸 ESA/ROSIE/University of Stuttgart (HEFDiG)/A.Genin 292
Alejandro S. Borlaff @asborlaff.bsky.social · 01/09/2026Si teneis la oportunidad de pasaros por la Complutense este viernes, vamos a hablar de como hacer ciencia en la frontera entre la tierra y el espacio, y como ese ecosistema necesita nuestra ayuda. Viernes, 10am, Facultad de Fisicas UCM! 022
Alejandro S. Borlaff @asborlaff.bsky.social · 01/09/2026Need assistance from the Neurology community in Bluesky. Can soft wearable exosuits improve the quality of walking for patients with Progressive Supranuclear Palsy (PSP)? I am considering something like the Ascentiz exosuit but it seem focused on sports, not support. Please 🔄! ascentizexo.comascentizexo.comAscentiz | World's First Modular Exoskeleton for Walking & HikingFeaturing swappable Knee & Hip Joint Modules —from daily mobility to ambitious adventures, your interface to infinite abilities. 202
Reposted by Alejandro S. BorlaffNPR @npr.org · 28/08/2026NASA's Nancy Grace Roman Space Telescope launches Aug. 30 on a mission to explore some of the most pressing mysteries of the cosmos. n.pr/3SzgeEIn.prNASA is about to launch a space telescope that could change how we see the universeNASA's Nancy Grace Roman Space Telescope launches Aug. 30 on a mission to explore some of the most pressing mysteries of the cosmos. 819649
Reposted by Alejandro S. BorlaffJohnny Vector @johnnyvector.bsky.social · 30/08/2026And Dominic is crushing it on the broadcast! (Megan too, but I never worked with her.) 171
Reposted by Alejandro S. BorlaffKatie Mack @astrokatie.com · 30/08/2026The telescope has been set free in space! Successful deployment! #Roman 261653137
Reposted by Alejandro S. BorlaffKaren Masters @karenlmasters.bsky.social · 30/08/2026It’s on its way! Now the commissioning work starts for the Nancy Grace Roman Space Telescope even while it’s still enroute to L2. #romanlaunch 1251
Reposted by Alejandro S. BorlaffCosmicRami 🏳️🌈🏳️⚧️ @rami.spaceaustralia.com · 30/08/2026This is a neat view of the separation of the #Roman telescope from the rocket. Very Sci-Fi looking! 213123
Alejandro S. Borlaff @asborlaff.bsky.social · 30/08/2026I have been working for Roman Space Telescope for four years now, and I could not picture a better launch. Go Roman! Let's explore the Universe for all humankind. 1133
Reposted by Alejandro S. BorlaffSpace Telescope Science Institute @stsci.edu · 28/08/2026🚨 The Nancy Grace Roman Space Telescope is “go” for launch! 🚨 Meteorologists with the U.S. Space Force’s Space Launch Delta 45 Weather Squadron are predicting a 60% chance of favorable weather conditions for launch, which is targeted for 7:26 a.m. EDT on Sunday, Aug. 30 from Kennedy. #NASARoman 🔭 science.nasa.govNASA's Roman Space Telescope ‘Go' for LaunchNASA's Nancy Grace Roman Space Telescope is “go” for launch following completion of the agency and SpaceX's Launch Readiness Review Friday at NASA's Kennedy Space Center in Florida. 39426
Reposted by Alejandro S. BorlaffOlga Zamora @omzamora.bsky.social · 24/08/2026Me sumo al agradecimiento 053
Alejandro S. Borlaff @asborlaff.bsky.social · 24/08/2026Michele Catanzaro para @elperiodico.com. "La solución [a la superpoblacion de satélites en órbita terrestre] no es enviar todos los telescopios al espacio. Los satélites ya están impactando a los telescopios espaciales" Gracias por contar con nosotros 💪 www.elperiodico.com/es/sociedad/...elperiodico.comLa carrera por llenar el cielo de satélites complica a los telescopios la detección de asteroides peligrososDespués de lanzar miles de satélites de telecomunicación como los de Starlink, tecnológicas y estados planean centros de datos espaciales y satélites-espejo para iluminar la noche 034
Alejandro S. Borlaff @asborlaff.bsky.social · 23/08/2026Outstanding article by Jonathan O'Callaghan. "Time, however, is very much of the essence. The number of satellites, many experts say, is already bordering on unsustainable." You can't run an exponential growth model on a finite planet. Time to wake up. www.scientificamerican.com/article/how-...scientificamerican.comIf millions of satellites launch to space, is chaos the inevitable outcome?SpaceX and other companies want to put millions of satellites into space. Could orbit run out of room? 11313
Reposted by Alejandro S. BorlaffCenter for Space Environmentalism @space-environment.bsky.social · 22/08/2026"Ultimately we might find that the capacity of Earth orbit, rather than being in the millions of spacecraft, may not be much more than the number of satellites already in orbit today." www.scientificamerican.com/article/how-...scientificamerican.comIf millions of satellites launch to space, is chaos the inevitable outcome?SpaceX and other companies want to put millions of satellites into space. Could orbit run out of room? 11511
Alejandro S. Borlaff @asborlaff.bsky.social · 21/08/2026Very poor comparison and a sad incorrect argument. Space research actually allow us to understand ways to protect life on Earth, and what went wrong on other worlds. Earth and Space research are complementary, not competitors. 051
Reposted by Alejandro S. BorlaffCenter for Space Environmentalism @space-environment.bsky.social · 20/08/2026"Nearly all controlled ozone-depleting substances have been phased out. Low-Earth orbit is now creating a different source of reactive material. ... The concern is scientifically plausible, but its scale remains unsettled." spacedaily.com/t-satellite-... #SpaceEnvironment #Ozone #Spacespacedaily.comThe world banned CFCs and put the ozone layer on a path to recovery. Now thousands of dying satellites are introducing aluminium oxide nanoparticles into the upper atmosphere — particles scientists wa...Satellite reentries are adding alumina nanoparticles to the upper atmosphere. The ozone-depletion pathway is credible, but current models disagree sharply on its scale. 023
Reposted by Alejandro S. BorlaffAlexandra Witze @alexwitze.bsky.social · 19/08/2026The Swift re-boost mission has failed. www.nasa.gov/news-release...nasa.govNASA Updates Next Steps for Commercial Swift Boost Mission - NASADue to an ongoing commercial spacecraft attitude control issue, NASA and Katalyst Space announced Wednesday the LINK spacecraft will not capture or boost an 25324
Alejandro S. Borlaff @asborlaff.bsky.social · 13/08/2026"Positioning a space-related idea, activity, product or policy as a benefit to “all humankind,” even if it could damage Earth or the larger cosmic environment, would be starwashing." Great article by Marissa E. Yingling 020
Reposted by Alejandro S. BorlaffKrista Elliott @kristaelliott.bsky.social · 06/08/2026I used to yell about this a lot when working in wetland conservation. You can't only fund what's shiny or adorable, or entire ecosystems collapse. 1303
Reposted by Alejandro S. BorlaffKatie Mack @astrokatie.com · 06/08/2026Like someone still has to be out there creating the knowledge the AI is going to chop up and regurgitate later on. I truly do understand that the technology can be powerful and transformative but it has to have something to transform. The research can’t all be just on improving the regurgitation. 2877180
Reposted by Alejandro S. BorlaffKatie Mack @astrokatie.com · 06/08/2026I understand that funding bodies want to go all in on AI as the shiny new innovation thing. But if all the grants start going to AI at the expense of everything else then the research sector is going to end up looking like a farm with dozens of threshers hacking away in a field with no wheat. 582327428
Reposted by Alejandro S. BorlaffAEMET @aemet.es · 03/08/2026Las temperaturas en Europa occidental entre el 15 de mayo y 15 de julio fueron muy anómalamente altas en comparación con los mismos períodos de 1951-1980 y 1991-2020. Sin cambio climático habría sido prácticamente imposible alcanzar temperaturas tan altas durante esos dos meses. 3194113
Reposted by Alejandro S. BorlaffCenter for Space Environmentalism @space-environment.bsky.social · 30/07/2026We just filed a Reply Comment with FCC opposing Cowboy Space’s 20,000-satellite constellation. Instead of engaging with the science on atmospheric pollution and astronomy hazards, they relied on procedural deflections. Read our full filing here: www.spaceenvironmentalism.org/actions/publ...spaceenvironmentalism.orgReply Comment to the Cowboy Space Corporation consolidated opposition and rJuly 30, 2026 Before the FEDERAL COMMUNICATIONS COMMISSION Washington, D.C. 20554 via ICFS Electronic Filing In the Matter of: Cowboy Space Application for “Stampede” Constellation ICFS File No. ... 0166
Reposted by Alejandro S. BorlaffMeredith Rawls @merrdiff.bsky.social · 31/07/2026We all do And if you're @sundogplanets.mastodon.social.ap.brid.gy, sometimes workers show up at your neighbor's farm with a U-Haul to quietly take the space junk away 095
Reposted by Alejandro S. Borlaffastrafoxen @astrafoxen.bsky.social · 29/07/2026Amazing #arXiv pull today with new direct imaging of asteroid 44 Nysa. I just wanna say- WOAH WHAT THE HEY WTF IS THIS ASTEROID SHAPE?? What's with all those concavities?? And holy crap it's apparently a contact TRINARY with a half-kilometer-sized moon??? arxiv.org/abs/2607.25786 34718
Reposted by Alejandro S. BorlaffJonathan McDowell @planet4589.bsky.social · 29/07/2026SWIFT reboost mission in trouble (but not game over yet) - LINK in multi-axis spin with two of three reaction wheels down. 37921
Reposted by Alejandro S. BorlaffCosmicRami 🏳️🌈🏳️⚧️ @rami.spaceaustralia.com · 27/07/2026Just because there are challenges in trying to police Earth’s orbit, doesn’t mean it can’t be treated like a global commons. And sure, maybe many countries won’t sign into an “Earth orbit treaty”. Then, the UN can apply pressures at the global level to deal with that. We can’t just give up. 0555
Reposted by Alejandro S. BorlaffCosmicRami 🏳️🌈🏳️⚧️ @rami.spaceaustralia.com · 27/07/2026There was a time when no international laws existed about the production and release of CFCs into the atmosphere. Then, scientists, experts and activists brought an excellent case forward, the United Nations listened and The Montreal Protocol was made. We’re not here to just roll over and give up. 38114
Reposted by Alejandro S. BorlaffCosmicRami 🏳️🌈🏳️⚧️ @rami.spaceaustralia.com · 27/07/2026Nope. I don’t accept this position — that we are powerless to change the outcome of this mess. We have a small, time-critical window where we can collectively navigate through this. Also don’t forget, these are commercial entities that are selling products/services that are subject to laws.space.comPrivate companies could ruin the night sky for the entire world, and international law can't stop them"The regulatory environment and regulatory framework has significant gaps and holes in it. Essentially, the technology is outpacing the regulatory environment." 7316137
Reposted by Alejandro S. BorlaffAstronomer Royal for Scotland | Catherine Heymans @astroroyalscot.bsky.social · 28/07/2026Sadly it's not just #JodrellBank losing funding, with deep cuts across the board for UK astronomy. One example is the HiPERCAM project whose funding has been entirely cut to save £50K/yr - peanut-levels of £s. Spectacular fast transient science lost, for what? 🔭😡 www.zmescience.com/science/astr...zmescience.comOne of Astronomy’s Fastest Cameras May Stop Operating Over a $67,000 Funding GapThe camera that checked JWST’s clock is losing its funding. 18354160
Reposted by Alejandro S. BorlaffProf. Sam Lawler @sundogplanets.mastodon.social.ap.brid.gy · 27/07/2026"This is more than just a niche issue for astronomers. This is an issue that's going to affect the quality of life for everybody on Earth." www.space.com/space-exploration/sat…space.comPrivate companies could ruin the night sky for the entire world, and international law can't stop themThe U.S. Federal Communications Commission (FCC) can single-handedly approve space projects that will change the night sky around the world. The international community can do very little against it. 8419203
Alejandro S. Borlaff @asborlaff.bsky.social · 25/07/2026Los bomberos forestales de la comunidad de Madrid llevan años avisando de esto. No se les ha escuchado. No hay medios. Sin prevencion vamos a vivir la DANA una y otra y otra vez. elpais.com/espana/madri...elpais.comLos bomberos forestales de Madrid vuelven a la calle y alcanzan 150 días de huelga: “La plantilla no puede más”Los huelguistas exigen mejoras en sus condiciones laborales, con aumentos de salario y el fin de la temporalidad 000
Alejandro S. Borlaff @asborlaff.bsky.social · 24/07/2026NASA's Madrid Deep Space Communication Complex under smoke and flames from the forest fires in Spain. 24 July 2026. 7256105
Reposted by Alejandro S. BorlaffCenter for Space Environmentalism @space-environment.bsky.social · 23/07/2026"Space datacenters would release staggering levels of pollution that would probably alter the Earth’s atmosphere and be 'catastrophic' for the planet, space industry experts and environmental groups warn in a new petition demanding a review of their impacts." www.theguardian.com/science/2026...theguardian.comSpace datacenters proposed by Musk and Bezos ‘catastrophic’ for planet, experts warnNew US petition demands review of plans from tech companies amid fears of environmental destruction 79548
Reposted by Alejandro S. BorlaffAurélien Genin @astroaure.eurosky.social · 21/07/2026🛰️ La chute du périgée de LINK s'est arrêtée pour se stabiliser vers 348km. C'est le signe que le satellite manœuvre bien et arrive à contrôler son altitude 🥳 J'imagine que le satellite va continuer de laisser son apogée descendre et commencer à aligner son inclinaison avec celle de Swift 1102