Reposted by d🛸pxkcd Bot @xkcd-bot.bsky.social · 24/09/2026Voyager Instruments xkcd.com/3302 Convincing him to turn off the stupid laser show and useless sound system was such a huge ordeal that no one has wanted to do it again. Explain xkcd: www.explainxkcd.com/wiki/index.php/… 053
Reposted by d🛸pxkcd title text @xkcd-titletext.bsky.social · 04/09/2026Title text: "The rise of AI review bombing tools threatens to take away a crucial source of experience for geology undergraduates." Alt text: explainxkcd.com/3292#Transcript 02155
Reposted by d🛸pThe Register @theregister.com · 03/11/2025ESA tests bacterial powder to feed Moon and Mars crewsdlvr.itESA tests bacterial powder to feed Moon and Mars crewsHelp me, HOBI-WAN, you're my only hope for lunch The European Space Agency (ESA) has coined a tortured acronym for its project to feed astronauts on long-duration missions: HOBI-WAN (Hydrogen Oxidizing Bacteria In Weightlessness As a source of Nutrition).… 283
Reposted by d🛸pSimon Kuestenmacher @simongerman600.bsky.social · 28/08/2026Earth has been this warm before during the last 300,000 years. The scary part is the current speed of warming. Past swings unfolded over millennia. Today’s warming occurred in decades. Even allowing for smoothed ice-core proxies, the rate of change is immense. Source: buff.ly/VcD9E13 33912
Reposted by d🛸pArmy Of Evil Robots🤖🇨🇦 @armyofevilrobots.com · 18/08/2026While I can see this being useful for packaging dry goods/non-food products, I wonder how useful it will be for foodstuffs, and if it can make any impact on beverage containers at all, most of which contain water and acids/sugars/salts/electrolytes/"brawndo" etc. 002
Reposted by d🛸pRandall Munroe @xkcd.com · 06/08/2026I really recommend the 2022 documentary “It’s Quieter in the Twilight,” which profiles the scientists working in relative obscurity to keep the Voyager spacecraft operating—many of them past retirement age, but unwilling to quit until the Voyagers do. It was very sweet and thought-provoking. 383682478
Reposted by d🛸pESA Exploration @exploration.esa.int · 10/08/2026Day 174 orbit 2696 — For years, yoga has been one of my favourite ways to find balance and unwind… and that has not changed on board the International Space Station! And yes, yoga feels a little different when gravity is no longer part of the equation! 🎥 @esa.int/NASA 06113
Reposted by d🛸pWolfram @wolframresearch.bsky.social · 30/07/2026From portfolio optimization to machine learning, the Wolfram Quantum Framework gives your hardware a symbolic computational edge. Explore how Wolfram quantum technologies integrate with your existing quantum stack. #quantum #QuantumComputing #QuantumPhysics 131
Reposted by d🛸pWolfram @wolframresearch.bsky.social · 03/08/2026www.wolfram.com/artificial-i...wolfram.comWolfram Local MCP: For Your Wolfram ApplicationsGive LLM systems agentic access to your existing Wolfram applications--Wolfram|One, Mathematica, Wolfram Engine. Keep data and execution within your environment. 001
Reposted by d🛸pAstrobiologyOU @astrobiologyou.bsky.social · 30/07/2026🚨 New publication🚨 A new study explores the microbial communities living in Lake Karum, Ethiopia, one of the world's most saline lakes, and the surrounding salt flats. Read the early access paper: buff.ly/0iLdv5R #Astrobiology #Microbiology #Metagenomics #ExtremeLife 162
Reposted by d🛸pDr. Melissa Scruggs @volcanodoc.bsky.social · 31/07/2026It’s incredibly hot - so hot it turns to steam underwater! But water also has a VERY high specific heat capacity (it takes a lot of heat energy to increase its temperature), and there’s way more water than lava (usually)! Here’s a cool example of West Mata erupting: youtu.be/FCH6dVcxL3c?...youtu.beWest Mata Volcano Underwater Eruption (1 of 2) [1080p]YouTube video by djxatlanta 042
Reposted by d🛸pESA Exploration @exploration.esa.int · 09/07/2026Still on the surface. Flowing within 🧘♀️ Scientists are taking the Marangoni effect to the International Space Station. Without gravity to mask it, the phenomenon behind "tears of wine" reveals itself in new ways. 💧 Find out why it matters. www.esa.int/ESA_Multimed...esa.intThe hidden flowThe hidden flow 0165
Reposted by d🛸pRandall Munroe @xkcd.com · 28/07/2026Weird and worrying questions Watch the latest What If? video in collaboration with @minuteearth.bsky.social! www.youtube.com/shorts/SLd4h...youtube.comWeird and worrying questionsYouTube video by xkcd's What If? 1179096
Reposted by d🛸pESA Exploration @exploration.esa.int · 15/07/2026🌕 Could your technology help build on the Moon? @esa.int and the Luxembourg Space Agency's ESRIC have launched the third Space Resources Challenge, seeking innovative ways to turn lunar regolith into infrastructure for future lunar exploration. 🚀 Learn more and apply by 2 October 2026: src.esa.int 0214
Reposted by d🛸pRandall Munroe @xkcd.com · 27/07/2026Recursive Trucker's Hitch xkcd.com/3276/ 181336118
Reposted by d🛸pAstrobiologyOU @astrobiologyou.bsky.social · 13/07/2026Could life exist on the icy moons? In tonight's Sky at Night, Dr Mark Fox-Powell reveals how recreating these extreme frozen environments in the lab is helping scientists search for signs of life beyond Earth, and has even led to the discovery of a new mineral. You can watch it tonight 10pm BBC4 012
Reposted by d🛸pESA Exploration @exploration.esa.int · 11/07/2026"Day 148, orbit 2292 — I can say with absolute certainty that I’ll never forget the day I completed my 44th trip around the Sun while circling the Earth! 🌍☀️" says @esa.int astronaut Sophie Adenot one week after her on-orbit birthday celebration! 🎥 ESA/NASA #εpsilon 29319
Reposted by d🛸pESA Exploration @exploration.esa.int · 01/07/2026✅ CAVES training completed. 👩🚀 Astronauts emerge from the space under. www.esa.int/Science_Expl...esa.intThe space underFive explorers from three space agencies have successfully completed ESA’s CAVES training course in Italy. 0496
Reposted by d🛸pDaniel Pomarède @pomarede.bsky.social · 08/07/2026Save Hubble: the race to preserve the space telescope kicks off The orbiting observatory’s unique vision and public support continue to be crucial for understanding the Universe. www.nature.com/articles/d41... @nature.com #Hubble 🧪🔭nature.comSave Hubble: the race to preserve the space telescope kicks offThe orbiting observatory’s unique vision and public support continue to be crucial for understanding the Universe. 14111
Reposted by d🛸pESA Exploration @exploration.esa.int · 01/07/2026Diaries from the cave. Five astronauts, four days, three space agencies. @esa.int/NASA/JAXA 1225
d🛸p @dprema.bsky.social · 05/07/2026"There is a legend that the night House Atreides lost Arrakis…🔆 a star exploded in the skies above their homeland on Caladan.” 000
Reposted by d🛸pESA auf Deutsch @de.esa.int · 05/07/2026Falls ihr es verpasst habt: Die ESA beschließt die galaktische Archäologiemission Arrakihs. Arrakihs soll bis Ende 2030 starten und das schwache Licht aus den Halos naher Galaxien einfangen. Mehr dazu:esa.intDie ESA beschließt die galaktische Archäologiemission ArrakihsDer wissenschaftliche Programmausschuss der Europäischen Weltraumorganisation (ESA) hat die Arrakihs-Mission verabschiedet. Arrakihs soll bis Ende 2030 starten und das schwache Licht aus den Halos… 0142
Reposted by d🛸pESA Exploration @exploration.esa.int · 02/07/2026When it comes to the future of human exploration, 3D printers hold the key to crew autonomy in areas ranging from maintenance to medicine. Delivered by ESA in 2024, the first metal 3D printer in space has just produced its fifth sample! #εpsilon 🔗 www.esa.int/ESA_Multimed...esa.int3D-printed metal: unlocking crew autonomy 0203
Reposted by d🛸pESA Space Science @science.esa.int · 17/06/2026There are more than 30 'dust devils' hiding in our latest photo from Mars Express Can you find them all? 🧐 Discover the answer and find out more about these tornado-like whirlwinds here 👉 www.esa.int/Science_Expl... 🔭 🧪 #planetsci 16720
Reposted by d🛸pESA auf Deutsch @de.esa.int · 16/06/2026Das Ende einer Reise, der Beginn der Ankunft. 🛰️🌑☀️ Nach 8 Jahren solarelektrischem Antrieb schaltet die BepiColombo-Mission der @esa.int den SEP ab und tritt in die Merkur‑Ankunftsphase ein. 👇 0111
Reposted by d🛸pArizona Astrobiology Center @azastrobiology.bsky.social · 16/06/2026www.universetoday.com/articles/why...universetoday.comWhy Consciousness Might Not Belong to Us AloneWe have spent centuries being knocked off our pedestal. Earth isn't the centre of the Solar System, the Sun isn't the centre of the Galaxy, and we are not the point around which everything else turns.... 041
Reposted by d🛸pxkcd Bot @xkcd-bot.bsky.social · 15/06/2026Tethys xkcd.com/3259 In order to carry the necessary crafting supplies, they built the ships at 12:1 scale. Explain xkcd: www.explainxkcd.com/wiki/index.php/… 0105
Reposted by d🛸pESA Exploration @exploration.esa.int · 10/06/2026The hunt for water on the Moon is 🔛 Our @esa.int's Prospect package will drill beneath the lunar South Pole in search of water ice and oxygen to fuel future exploration. Launch is set for 2027 🚀 👀 Curious about the mission? Meet Prospect at #ILA2026 or at esa.int/prospect #Space4Future 27920
Reposted by d🛸pxkcd Bot @xkcd-bot.bsky.social · 01/06/2026Sunbeam xkcd.com/3253 While weather control is typically thought of as a superpower, the unconscious ability of astronomers and astrophotographers to summon clouds is more properly classified as a curse. Explain xkcd: www.explainxkcd.com/wiki/index.php/… 0172
Reposted by d🛸pSimon Kuestenmacher @simongerman600.bsky.social · 31/05/2026The EU's electricity mix has changed dramatically in just a decade. In 2011, fossil fuels generated 49% of electricity versus 18% for renewables. By 2021, renewables had climbed to 32%, nearly matching fossil fuels at 36%. Wind & solar, doubled their share from 8% to 19%. 33414
Reposted by d🛸pSimon Kuestenmacher @simongerman600.bsky.social · 29/05/2026This visual shows the uncertainty regarding when global deaths outnumbers global births (and kick off the shrinking of humanity). The UN data underlying this chart is more bullish than other institutes. I would be surprised if "peak-human" won't be reached before the 2080s. Source: buff.ly/HulDxyP 1176
Reposted by d🛸pSimon Kuestenmacher @simongerman600.bsky.social · 31/05/2026Australian kids grow up staring at a world map where we live at the bottom. Flip the map upside down and suddenly Europe looks like it’s about to fall off the planet. Maps don’t just show the world. They shape how we think. North isn’t “up”. It’s just a cartographic habit. Source: buff.ly/jbX7gzs 66013
Reposted by d🛸pESA Exploration @exploration.esa.int · 22/05/2026Space training complete ✅🚀 @esa.int's astronaut reserve have completed their training programme at our European Astronaut Centre 🇩🇪 – gaining the skills needed to support future human spaceflight missions 👩🚀👨🚀 Congratulations to the crew 💫👏 🔗 www.esa.int/Science_Expl... 26610
Reposted by d🛸pxkcd Bot @xkcd-bot.bsky.social · 13/05/2026Results Age xkcd.com/3245 Please, we need your help. Our research suggests you're the last living descendant of the person who knew how to format this config file. Explain xkcd: www.explainxkcd.com/wiki/index.php/… 1175
Reposted by d🛸pxkcd Bot @xkcd-bot.bsky.social · 08/05/2026Crystal Gazing xkcd.com/3243 (alt-text too long for a BlueSky message, see image alt-text instead) Explain xkcd: www.explainxkcd.com/wiki/index.php/… 0124
Reposted by d🛸pJohannes Grenzfurthner @grenzfurthner.bsky.social · 27/03/2026X-59 tests are going ahead. And the NASA test pilot is Jim “Clue” Less. Now that’s a nickname. www.signalsaz.com/articles/nas...signalsaz.comNASA Pushes Forward with X-59 Testing - Signals AZThe experimental jet is set for another test flight. 052
d🛸p @dprema.bsky.social · 06/05/2026x.com/zacksjerryri...x.comJerryRigEverything on X: "He's not wrong. https://t.co/j6tgzQ7ipu" / XHe's not wrong. https://t.co/j6tgzQ7ipu 000
Reposted by d🛸pJohannes Grenzfurthner @grenzfurthner.bsky.social · 05/04/2026Such a good lookin' spacecraft. (Eagle, Space:1999) 041
Reposted by d🛸pJohannes Grenzfurthner @grenzfurthner.bsky.social · 07/04/2026The average number of limbs per person (via Terrible Maps) 131
Reposted by d🛸pJohannes Grenzfurthner @grenzfurthner.bsky.social · 12/04/2026The Skylab space station (foreground) awaits launch atop a Saturn V rocket at Launch Complex 39A, while a Saturn IB rocket waits at Launch Complex 39B to launch the crewed Skylab 2 spacecraft in 1973. The launch pads are 1.5 miles (2.4 km) apart. 021
Reposted by d🛸pPaul Byrne @theplanetaryguy.com · 04/05/2026NASA just dropped more than 12,000 photos from the Artemis II mission. It'll take me a few days to go through them all, but so far it's one stunner after another. Link: eol.jsc.nasa.gov/SearchPhotos... Credit: NASA/Artemis II Crew (h/t @jonostrower.com) 6571552711
Reposted by d🛸pArizona Astrobiology Center @azastrobiology.bsky.social · 17/04/2026Life Beyond Biosignatures: A New Method In The Search For Life www.universetoday.com/articles/lif... #astrobiology #scienceuniversetoday.comLife Beyond Biosignatures: A New Method In The Search For LifeResearchers from the Earth-Life Science Institute (ELSI) and National Institute for Basic Biology have developed a new method to detect extraterrestrial life without relying on traditional biosignatur... 022
Reposted by d🛸pxkcd title text @xkcd-titletext.bsky.social · 23/03/2026Title text: "It's ok, I still have some nice, cool gas clouds that aren't collapsing. As long as nothing ionizes them, I can continue to enjoy their ... HEY! NO!!!" Alt text: explainxkcd.com/3222#Transcript 12232
Reposted by d🛸pArizona Astrobiology Center @azastrobiology.bsky.social · 27/03/2026universetoday.comWant to Find Life? You'll Want Several Exoplanets in the Same System to CompareMost astronomers agree that life is likely common throughout the Universe. While Earth is the only world known to have life, we know that life arose early on our world, and the building blocks of life... 022
![Comic. [Winch arm with labels for “fusion capsule” and “plunger,” with string underneath with labels “recursive trucker’s hitch,” “Fout,” (at start of string) “n= number of layers,” and Fin (at end of string). Equation in box below: Mechanicaladvantage=FoutFin=13(2(2n+1)+1)≈234n. Below box: MA(1)=3:1; MA(5)=683:1 ; MA(20)=733,007,751,851:1 ; MA(50)=845,100,400,152,152,934,331,135,470,251:1 [caption] The international Atomic Energy Agency regulates the recursive trucker’s hitch, since the unlimited mechanical advantage it offers is powerful enough to ignite fusion.](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:cz73r7iyiqn26upot4jtjdhk/bafkreialsv6bb34yzapxtdelgz4pd33xwfjbhngzvscpbm5f5j3o4x735u)
![Comic. [Latitude and longitude lines squeezing Earth.] [caption: Bad news: NASA accidentally shrank Earth’s latitude and longitude lines in the wash.]](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:cz73r7iyiqn26upot4jtjdhk/bafkreignozmqxt3egpltuwgoabt5phhaczxcim2ntx7n62c5opnnb3fqga)
![4-panel comic. (1) [Glowing black dot surrounded by clouds.] DOT: I think I did a good job with this universe. Pressure waves dance through gas clouds. They clump together and then pressure pushes them apart. (2) [Some of the clouds are clumping together.] DOT: Oh weird, that big clump of clouds is staying together. Their gravity is overcoming the pressure and more gas is falling in. (3) [More clouds are sucked in.] DOT: It’s not stopping! The heat is rising but the collapse is only accelerating! I messed up. I messed up *bad*. (4) [The clump has become a shining star.] DOT: NOOOOOOOO!!! My beautiful clouds! Ruined! It’s all ruined!](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:cz73r7iyiqn26upot4jtjdhk/bafkreiae4qcq3k4rea6dmb4vcttgnajgfurbpa34isuyr6sclzdq3gijci)
