2026-04-29 16:20:00
«Post-Quanten-Verschlüsselung — Google peilt 2029 statt 2035 an:
Google hat angekündigt, die Umstellung seiner Produkte auf Post-Quanten-Kryptografie deutlich zu beschleunigen.»
Nicht das Google unrecht hat aber dies ist auch ein Teil ihres Marketing um das Vertrauen ihreren Kunden zu erhöhen.
🔐 https://www.
Don't Call It Project 2029 If It's Not A Fighting Document (Brian Beutler/Off Message)
https://www.offmessage.net/p/project-2029-fight-trump-democracy-health-care-doge-project-2025
http://www.memeorandum.com/260529/p63#a260529p63
Der Internationale Gerichtshof (IGH) hat im Verfahren der Anklage Südafrikas gegen Israel mit dem Vorwurf des Völkermords nun neue Fristen für weitere schriftliche Antworten gegeben. Demnach darf die südafrikanische Regierung bis zum 22. November 2027 eine weitere schriftliche Stellungnahme einreichen, und die israelische Regierung darf darauf bis zum 22. Mai 2029 antworten.
Das sind von heute an 1089 Tage die Israel Zeit hat um lediglich eine Antwort zu formulieren. …
OpenAI says it has signed contracts for 10GW of US AI compute capacity, with 3GW added in the past 90 days, hitting a goal it once aimed to reach by 2029 (Dina Bass/Bloomberg)
https://www.bloomberg.com/news/articles/2026-04-30…
Back on the train with espresso and my ballot. The only thing good about my ballot is the sticker. Also: the salt ponds look good today.
#Amtrak #CoastStarlight #Tågskryt
Super Bowl sites: A look at future locations, including Las Vegas for 2029 game
https://www.cbssports.com/nfl/news/super-bowl-sites-las-vegas-2029/
Whatever eagerly awaited #Kreutz #comet C/2026 A1 (MAPS) is up to - see also https://groups.io/g/comets-ml/topic/118409957 and https://nitter.net/JAtanackov/status/2035718257060036738 and https://scicomm.xyz/@qicheng@cometary.org/116262858373488354 - less than two weeks from perihelion, it has developed a long plasma tail now: https://www.facebook.com/photo/?fbid=25816609931372735 (Rhemann & Jäger yesterday with a 12 inch telescope; full and detail).
#Bruttospeicherleistung von #Batteriespeichern nach Marktakteur in #Deutschland ab 2012 mit Stand vom 17.03.2026.
Betrachtet werden Datensätze mit Betriebsstatus „akti…
Google researchers warn that quantum computers may crack elliptic-curve cryptography, which helps secure crypto wallets, with 20x fewer resources than expected (Bloomberg)
https://www.bloomberg.com/news/articles/2026-03-31/g…
Super Bowl expected to return to Las Vegas in 2029; vote coming next week https://www.reviewjournal.com/sports/football/super-bowl/super-bowl-expected-to-return-las-vegas-in-2029-vote-coming-next-week-3729501/
Launch of #Progress MS-33 in a few minutes: https://www.youtube.com/watch?v=O1OaCfLTPnw
#Elektroauto RANT über führenden Mineralölkonzern in D:
ARAL bzw die Europazentrale des Weltkonzerns BP ist nicht in der Lage eine funktionierende App herzustellen, die man zum Laden benötigt. Ich konnte mich tagelang nicht anmelden, jedes Mal brach der Vorgang nach erfolgreichem Einloggen mit Fehlermeldung ab und man wird vertröstet: "Versuche es noch einmal"
Aufgrund de…
Browns make case to host Super Bowl at stadium groundbreaking ceremony https://www.nytimes.com/athletic/7244755/2026/04/30/roger-goodell-browns-stadium-super-bowl/
Noch ein paar der zuletzt hier besonders häufig geteilten #News:
Vorbeiflug an Erde 2029: Mehrere Landungsmissionen auf Apophis geplant
Weniger #Plastikmüll:
#Mungobohnensprossen sind gesund und einfach selbst zu ziehen! 🌱
Wer gern asiatische #Gemüsepfannen brutzelt, weiß das zu schätzen. Möch…
Google sets a 2029 deadline for its post-quantum cryptography migration, aiming to "secure the quantum era" as "frontiers may be closer than they appear" (Dan Goodin/Ars Technica)
https://arstechnica.com/security/2026/
Only four days after the Ohio event another daylight #fireball yesterday, this time over Texas and again with at least one meteorite fall: https://ares.jsc.nasa.gov/meteorite-falls/events/houston-tx (with early strewnfield map) and https://fireball.amsmeteors.org/members/imo_view/event/2026/1959. Videos of the fireball: https://www.facebook.com/groups/meteoriteclub/posts/10164095912741620/ and https://www.facebook.com/groups/meteoriteclub/posts/10164095916361620/ and https://www.facebook.com/groups/meteoriteclub/posts/10164095412946620/. And the meteorites: https://www.fox26houston.com/news/houston-meteor-reports-rock-woman-home-crash-2026-march and https://www.facebook.com/Fox4DFW/posts/pfbid0xBvNspDzKjdKqeGGoZXRVgEAYAQ3sUxM5WsESReTux2kV9SVTZKkMfnwRB8rJp83l
Browns break ground on stadium targeted for '29 https://www.espn.com/nfl/story/_/id/48642772/browns-break-ground-24-billion-stadium-targeted-29
Raiders’ home stadium expected to be site of Super Bowl LXIII in 2029 https://raiderswire.usatoday.com/story/sports/nfl/raiders/2026/03/25/raiders-home-field-expected-to-be-site-of-super-bowl-lxiii…
IBM plans to invest more than $10B in quantum computing over five years as it aims to build the first large-scale, error-free quantum computer by 2029 (Reuters)
https://www.reuters.com/technology/ibm-plans-10-billion-investm…
Verteilung der #Speicherkapazitäten für sonstige #Batterien nach Bundesland in #Deutschland mit Stand vom 17.03.2026.
59 nicht aktive und 0 sonstige Batterien ohne Inbetrieb…
RE: #LunarEclipse the darker it gets - but the correlation isn't that good and more factors are in play (which are difficult to determine because eclipses - with good data - are so rare).
Elon Musk says Anthropic's Colossus deal is "a 180 day lease with 90 day notice"; SpaceX's S-1 said Anthropic "agreed to pay a monthly fee through May 2029" (Russell Brandom/TechCrunch)
https://techcrunch.com/2026/05/28/how-
🍮 Wissen zum Nachtisch: 🍨
Wie kann man #Ackerflächen widerstandsfähiger gegen #Extremwetter machen?
Ein altes Anbausystem rückt wieder stärker in den Fokus und eröffnet Chancen für den #Bodenschutz
#CriticalMass #LosAngeles last night as I waited for the bus outside BMO Stadium.
Anzahl der #Batteriespeicher je #Batterietechnologien in #Deutschland mit Stand vom 17.03.2026.
3124 nicht aktive und 0 Batteriespeicher ohne Inbetriebnahmedatum wurden a…
Ground penetrating radar observations of ancient large-scale deltaic structures in Jezero crater, #Mars: https://www.science.org/doi/10.1126/sciadv.adz6095 -> Perseverance’s radar revealed ancient subsurface river delta on Mars: https://arstechnica.com/science/2026/03/perseverances-radar-revealed-ancient-subsurface-river-delta-on-mars/ - there may be a river delta hidden under the obvious delta in a Martian crater.
TSMC unveils its process technology roadmap through 2029, aiming to launch a new node yearly for client applications and every two years for AI and HPC (Anton Shilov/Tom's Hardware)
https://www.tomshardware.com/tech-…
Super Bowl to return to Las Vegas' Allegiant Stadium in 2029 https://www.nytimes.com/athletic/7147267/2026/03/30/super-bowl-63-las-vegas-allegiant-stadium/
Spanne der Bruttospeicherleistung von #Batteriespeichern pro Inbetriebnahmejahr von Unternehmen in Deutschland mit Stand vom 17.03.2026.
397 Datensätze ohne #Batteriespeichertechnologie herausgefiltert.
Der Datenbestand enthält unplausible Datensätze.
…
Experimental evidence for granular shear-flow instability in the Epstein regime: #planets - a turbulent story: https://mediarelations.unibe.ch/media_releases/2026/media_releases_2026/evolution_of_planets/index_eng.html
Spanne der Bruttospeicherleistung von #Batteriespeichern pro Inbetriebnahmejahr von Privatpersonen in Deutschland mit Stand vom 17.03.2026.
397 Datensätze ohne #Batteriespeichertechnologie herausgefiltert.
Der Datenbestand enthält unplausible Datensätze.
The #ArtemisII stack arrived back at the pad today, with a launch on April 1st (Europe: April 2nd) still a possibility: https://www.nasa.gov/blogs/missions/2026/03/20/nasas-artemis-ii-rocket-arrives-at-launch-pad-39b/ and https://www.esa.int/ESA_Multimedia/Images/2026/03/Artemis_II_rolls_again and many more roll-out pictures in https://www.flickr.com/photos/nasahqphoto/albums/72177720332614865/
Zugebaute #Batteriespeicherkapazität pro Monat in #Deutschland mit Stand vom 17.03.2026.
397 Datensätze ohne #Batteriespeichertechnologie herausgefil…
Theory of striped dynamic spectra of the #CrabPulsar high-frequency interpulse: https://www.cambridge.org/core/journals/journal-of-plasma-physics/article/theory-of-striped-dynamic-spectra-of-the-crab-pulsar-highfrequency-interpulse/66FDEA9FA0464343A7EAA1E2EFF44A29 -> Study reveals cosmic tug-of-war behind the Crab Pulsar’s zebra stripes: https://news.ku.edu/news/article/study-reveals-cosmic-tug-of-war-behind-the-crab-pulsars-zebra-stripes
Today it took Michael Jäger and Gerald Rhemann a 12-inch telescope and 27 minutes of total exposure time to show #comet C/2025 R3 (PANSTARRS) this nicely: https://www.facebook.com/photo/?fbid=2382646772252141 - but if it stays the course (brightness-wise speaking) it could be quite impressive for much smaller gear as well as the human eye just a month from now.
RE: https://mastodon.online/@tinoeberl/116258085903089662
Yeeeeh,
1. Tag im Jahr 2026 mit 1 kWh Ausbeute. 😊
A rubbish challenge: how do we dump space junk? Modern life depends on space-based infrastructure, but there’s a lot of junk orbiting alongside working spacecraft. Katherine Courtney and Alice Gorman talk to Margaret Harris about the danger of #SpaceDebris – and what we need to do about it: https://physicsworld.com/a/a-rubbish-challenge-how-do-we-dump-space-junk/ (looong).
🛌 Wissen fürs Kopfkissen: 📖
Wie erkennt man eigentlich, ob #Kipppunkte im #Klimasystem bereits überschritten wurden? Wenn sich das #Klima schleichend verändert, ist der genaue Zeitpunkt zunäc…
TSMC SVP Kevin Zhang says the company plans to open an advanced chip packaging plant in Arizona by 2029 and that construction has begun (Reuters)
https://www.reuters.com/world/asia-pacific/tsmc-plans-open-chip-packagi…
A super long #NovayaZemlya #mirage phenomenon at #sunset in real-time: https://www.youtube.com/watch?v=98cU4zjmSbs with stills in https://spaceweathergallery2.com/indiv_upload.php?upload_id=231610 - the Sun was still visible when more than 3° below the geometrical horizon!
Die #Kernfusionskollektoranlage hat heute 1,006 kWh Energie eingefangen.
Gesamtleistung: 480 Wp
Ausrichtung: West
Anstellwinkel: 58 Grad
Diese #Balkonsolaranlage wurde durch das Berliner SolarPLUS-Programm gefördert.
Einspeiseverlust: 4.31 %
Confirming Nunki as the closest #CoreCollapse progenitor candidate to the Sun: https://arxiv.org/abs/2603.17011 -> it's a pair of 6 M_Sun stars at 69 parsec that will merge into a 10 M_Sun star and thus end as a supernova.
Verteilung der #Speicherkapazitäten für #Metallhydridbatterien nach Bundesland in #Deutschland mit Stand vom 17.03.2026.
7 nicht aktive und 0 Metallhydridbatteri…
The dramatic transition of the extreme Red #Supergiant WOH G64 to a Yellow Hypergiant: https://arxiv.org/abs/2411.19329 - this 2024 paper, already mentioned by me in connection with other observations of that star in https://skyweek.wordpress.com/2024/11/24/allgemeines-live-blog-ab-dem-24-11-2024/ ("Die enge zirkumstellare Umgebung des Roten Überriesen WOH G64 ..."), has now been formally published: https://www.nature.com/articles/s41550-026-02789-7.epdf?sharing_token=7UR_XvTAZerqnMHPRyA0LtRgN0jAjWel9jnR3ZoTv0N7FejDObMF3AkHA10E71tuouxDX6yP8bM1QCFKGVVZLl8bT37LMadR8u4ukhACilFI60-Zxl0e00Bc0v3qXkG29yIQr7uTE0sd644q7We4d6ay5Tblhxc-UABROlAnuDs=
Verteilung der #Speicherkapazitäten für #Hochtemperaturbatterie nach Bundesland in #Deutschland mit Stand vom 17.03.2026.
0 nicht aktive und 0 Hochtemperaturbat…
Distinct Rotational Evolution of Giant Planets and Brown Dwarf Companions: #exoplanet spins confirms long-predicted relationship between planetary mass and rotation: https://keckobservatory.org/kpic-spin-survey/ with https://www.dropbox.com/scl/fo/w5f4ntav4pybpale8c6p6/ANbPpoQxnCEIG2i-0vL5Ll8?rlkey=cxblu3u2n3ovocew0qch46opt&e=1&st=fgpk8v3u&dl=0
Verteilung der #Speicherkapazitäten für Redox-Flow-Batterie nach Bundesland in #Deutschland mit Stand vom 17.03.2026.
9 nicht aktive und 0 Redox-Flow-Batterien ohne Inbetriebnahmedatum wurden ausgefiltert.
Der Datenbestand enthält ggf. unplausible Datensätze.
👉…
Probing the limits of #habitability - a catalogue of rocky exoplanets in the habitable zone: https://academic.oup.com/mnras/article/547/3/stag028/8526432?login=false -> The best places to look for alien life: https://ras.ac.uk/news-and-press/research-highlights/best-places-look-alien-life-scientists-identify-45-earth-worlds - scientists identify 45 Earth-like worlds to explore for a 'Project Hail Mary'.
Verteilung der #Speicherkapazitäten für #Bleibatterie nach Bundesland in #Deutschland mit Stand vom 17.03.2026.
135 nicht aktive und 0 Bleibatterien ohne Inbetriebnahmeda…
Verteilung der #Speicherkapazitäten für #Lithiumbatterien nach Bundesland in #Deutschland mit Stand vom 17.03.2026.
2914 nicht aktive und 2 Lithiumspeicher ohne Inbet…
Anzahl von #Stromspeichern als #Notstromaggregate in #Deutschland mit Stand vom 17.03.2026.
3125 nicht aktive und 24 Speicher ohne Inbetriebnahmedatum wurden ausgefiltert. Ein…
Sequential Fragmentation of C/2025 K1 (ATLAS) After Its Near-Sun Passage: #comet breaking up: https://esahubble.org/news/heic2606/ and https://science.nasa.gov/missions/hubble/nasas-hubble-unexpectedly-catches-comet-breaking-up/ (the paper as submitted had been discussed by me last November in https://skyweek.wordpress.com/2025/11/26/heute-beginnt-die-tagung-des-esa-ministerrats/ - "So sah Hubble den Kometen C/2025 K1 (ATLAS) zerbrechen").
📰 Mit Deiner Hilfe teile ich täglich #Forschungserkenntnisse und Neuigkeiten, die uns u. a. vor gesundheitlichen und finanziellen Risiken warnen und Fortschritte in #Klimaanpassung, #Energiewende
#Stromspeicherkapazitäten je #Speichertechnologie in #Deutschland mit Stand vom 17.03.2026.
Betrachtet werden Datensätze mit Betriebsstatus „aktiv“ und vorhan…
A second-generation star in a relic dwarf galaxy: #Star Discovered Inside Ancient Relic Dwarf Galaxy: https://noirlab.edu/public/news/noirlab2607/ - the star is the first unambiguous example of chemical enrichment by the first stars in the Universe within a primordial environment.
🍮 Wissen zum Nachtisch: 🍨
Retröt: #Klimaleugner nutzen gezielte Taktiken, um #Wissenschaft zu diskreditieren und Bürger zu täuschen.
Ihre 5 Vorgehensweisen können mit dem sogenannten #FLICC
#Bruttospeicherleistung je #Speichertechnologie in #Deutschland mit Stand vom 17.03.2026.
Betrachtet werden Datensätze mit Betriebsstatus „aktiv“ und vorhandenem Inb…
The increasingly dominant role of climate change on #LengthOfDay variations: https://www.pnas.org/doi/10.1073/pnas.2406930121 (and a newer paper, stupidly paywalled) -> Climate change slows Earth's spin - day lengthening unprecedented in 3.6 million years: https://www.univie.ac.at/en/news/detail/climate-change-slows-earths-spin-day-lengthening-unprecedented-in-36-million-years and https://baug.ethz.ch/en/news-and-events/news/2026/03/climate-change-slows-earths-spin-day-lengthening-unprecedented-in-3-point-6-million-years.html
Neue Inbetriebnahmen von #Stromspeichern je #Batterietechnologie in #Deutschland mit Stand vom 17.03.2026.
Betrachtet werden Datensätze mit Betriebsstatus „aktiv“ und vorhan…
0.33g mitigates muscle atrophy while 0.67g preserves muscle function and myofiber type composition in mice during #spaceflight: https://www.science.org/doi/10.1126/sciadv.aed2258 -> New Research on Muscle Loss Suggests Humans Will Really Suffer on Mars: https://gizmodo.com/mars-doesnt-have-enough-gravity-to-keep-humans-healthy-study-suggests-2000733286
#Speicherkapazität der #Batteriespeicher in #Deutschland je Netzanschlussebene ab 2012 mit Stand vom 17.03.2026.
Betrachtet werden Datensätze mit Betriebsstatus „aktiv“…
A second #LPSC NASA briefing today dealt mostly with planetary science funding details: https://www.youtube.com/watch?v=N8-enBzNwlo
Weniger #Plastikmüll:
Man möchte #Plastik vermeiden und überlegt, auf feste #Seife umzusteigen, aber wie hygienisch ist das? 🤔 Kann man über die Seife
Exploring the Interior Structure of (16) Psyche Through Basin-Scale Collisions: #Psyche: https://news.arizona.edu/news/large-craters-offer-clues-origin-asteroid-16-psyche
A Galactic Transformation - Understanding the SMC’s Structural and Kinematic Disequilibrium: #SmallMagellanicCloud
Dynamical Origin of (469219) Kamo‘oalewa of Tianwen-2 Mission from the Main Belt - ν6 Secular Resonance, Flora Family or 3:1 Resonance with Jupiter: #Tianwen2 Mission: http://english.pmo.cas.cn/newsroom/news/202603/t20260317_1152750.html and https://www.chinadaily.com.cn/a/202603/17/WS69b8af2da310d6866eb3e309.html
Preliminary Nucleus Size Estimate for #Kreutz Sungrazer C/2026 A1 (MAPS): https://iopscience.iop.org/article/10.3847/2515-5172/ae5220 -> "JWST imagery of the approaching Kreutz sungrazer C/2026 A1 (MAPS) appears sufficient to distinguish the comet’s nucleus from the surrounding dust. Coma model fitting indicates the morphology is compatible with a ∼0.4 km diameter nucleus—likely larger than those of the minor Kreutz fragments routinely discovered with coronagraphs, and comparable to or slightly smaller than that of C/2011 W3 (Lovejoy). However, since C/2026 A1 is the only Kreutz sungrazer whose nucleus has been directly observed, these comparisons should be treated with caution" -> https://groups.io/g/comets-ml/message/35035 / https://scicomm.xyz/@qicheng@cometary.org/116245251072721081
Low thermal inertia of carbonaceous asteroid #Bennu driven by cracks observed in returned samples: https://www.nature.com/articles/s41467-026-68505-1 -> Asteroid Bennu’s Rugged Surface Baffled NASA, We Finally Know Why: https://science.nasa.gov/missions/osiris-rex/asteroid-bennus-rugged-surface-baffled-nasa-we-finally-know-why/ and https://www.nasa.gov/image-article/solving-asteroid-bennus-mysteries/
A rare daylight #fireball coming with a loud bang was seen and heard Tuesday morning over the U.S. and Ohio in particular: https://www.youtube.com/watch?v=dHBjApk3d6w - see https://skyweek.wordpress.com/2026/03/12/allgemeines-live-blog-ab-dem-12-marz-2026/ for links to many more reports. And https://ares.jsc.nasa.gov/meteorite-falls/events/windfall-oh says: "Signatures of falling meteorites are seen in data from three weather radars [...] NASA Meteoroid Environment Office finds that this was a 2m diameter object weighing around 6 metric tons - more of a small asteroid than a large meteoroid. [...] There are meteorites on the ground around Windfall, OH towards River Styx, OH."
A scary milestone was reached on Tuesday when for the first time more than 10,000 #Starlink satellites were in LEO simultaneously: https://spaceflightnow.com/2026/03/16/live-coverage-spacex-to-launch-25-starlink-satellites-on-falcon-9-rocket-from-california/ - see https://www.planet4589.org/space/con/star/stats.html for the hard numbers, namely 10,049 satelltes in orbit (with 10,039 of them working of which 7903 are in operational orbits) out of 11,558 launched in total since 2018.
Also interesting: #Goddard and the Invention of the Liquid Fueled Rocket" from 10 days ago, stressing his (non-)interaction with the public and colleagues. Also: https://www.youtube.com/watch?v=pnNIMT1RBGs = the "Robert Goddard First Launch Space Centennial Kick-Off Announcement" by the city of Worcester, Mass., from February and https://www.youtube.com/watch?v=kJp6DHhfkKw = the video "Beyond Rockets" mostly on futuristic ideas.
During an event in Auburn, Mass., Saturday commemorating the 100th anniversary of Robert #Goddard launching the first liquid-fueled rocket, a speaker mentioned that in addition to the four people involved in the experiment it was also accidentally witnessed by several local children - including this father aged 10 at the time: in the recording https://www.youtube.com/watch?v=hxYYXWYLzHs#t=1h15m30s he recounts his vivid story from 1:15:30.
On Monday the discovery of four new #moons of #Jupiter was announced - #Saturn: https://www.minorplanetcenter.net/mpec/K26/K26F14.html (this brings the known total to 101 and 285, respectively).
Also from the #LPSC #NASA HQ Briefing: the science riding along on #ArtemisII - I think "verbal descriptions" of the Moon haven't been defined science objectives since the Apollo days.
In a few minutes on #NASA Headquarters Briefing at the Lunar and Planetary Science Conference featuring Louise Prockter, Planetary Science Division Director and Brad Bailey, Assistant Deputy Associate Administrator for Exploration.
Hints of Primordial Magnetic Fields at Recombination and Implications for the Hubble Tension: #HubbleTension and other cosmic mysteries: https://www6.slac.stanford.edu/news/2026-03-13-primordial-magnetic-fields-could-resolve-hubble-tension-and-other-cosmic-mysteries - an international team of researchers simulated magnetic forces in the early universe and found they could bridge the gap between the observed and calculated rates of the universe’s expansion.
A complete set of canonical nucleobases in the carbonaceous asteroid (162173) #Ryugu: https://www.nature.com/articles/s41550-026-02791-z -> "The detection of diverse nucleobases in asteroid and meteorite materials demonstrates their widespread presence throughout the Solar System and reinforces the hypothesis that carbonaceous asteroids contributed to the prebiotic chemical inventory of early Earth."
Volatile-rich evolution of molten super-Earth L 98-59 d: #planet: https://www.ox.ac.uk/news/2026-03-16-researchers-reveal-new-class-molten-planet
Searching for Life-As-We-Don't-Know-It - Mission-relevant Application of Assembly Theory for Exoplanet Life Detection: #Life, But Not As We Know It: https://www.universetoday.com/articles/life-but-not-as-we-know-it
Assimilation of Ground and Satellite Magnetic Observations Unravels the Ionospheric, Magnetospheric, and Induced Fields During the May and October 2024 #GeomagneticStorms: https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2025GL116964 -> How does an ice satellite detect a geomagnetic storm? https://www.esa.int/Applications/Observing_the_Earth/FutureEO/CryoSat/How_does_an_ice_satellite_detect_a_geomagnetic_storm
RE: https://mastodon.social/@esoastronomy/116239348555593632
The related RAS statement: https://ras.ac.uk/news-and-press/news/spacex-and-reflect-orbital-plans-would-permanently-scar-night-sky. And what the Astronomers for Planet Earth say: https://a4e.org/protecting-planet-earths-skies-a4es-statement-on-proposed-large-satellite-constellations/
Before and after pictures of the rocket test 100 years ago today, from the fantastic #Goddard collection at https://commons.clarku.edu/goddardlaunch/ - articles about the historical event and its context also at https://www.collectspace.com/news/news-031626a-robert-goddard-liquid-fuel-rocket-centennial-where-nell.html (small parts of the hardware may have survived after all), https://aerospaceamerica.aiaa.org/goddardcentennial-origins/ -> https://aerospaceamerica.aiaa.org/goddardcentennial-space-craze/ -> https://aerospaceamerica.aiaa.org/goddardcentennial-legacy/ and https://www.space.com/space-exploration/2-seconds-that-changed-the-world-the-1st-liquid-fueled-rocket-launched-100-years-ago-today
A folk song written earlier this year to celebrate the 100th anniversary of the #Goddard launch: https://www.youtube.com/watch?v=jCEN_JjU02c - it captures the event and its legacy well (and makes reference to Goddard's famous cherry tree and the fact that the farm where it happened is now a golf course). Artist's home page: https://roncarlsonmusic.com
So I'm finally figuring out what YouTube was *really* invented for ... bringing you documentaries about the convoluted fates of long gone SF TV shows you had enjoyed decades ago - like #AlienNation: https://www.youtube.com/watch?v=0CQhphu3VjE
40 years ago tonight the #Giotto spacecraft passed the nucleus of #comet #Halley at great speed: the documentary https://www.youtube.com/watch?v=eI-W8ss4x5I from back then - also at https://www.esa.int/ESA_Multimedia/Videos/Undated/Giotto_-_English with bonus material - tells the story well. A big special issue of the ESA Bulletin about the mission is at https://esamultimedia.esa.int/multimedia/publications/ESA-Bulletin-046/offline/download.pdf and other historical material like some photos is linked from https://historicalarchives.esa.int/giotto-cometary-encounters-and-archival-sources while a recording of the BBC's live coverage is at https://www.youtube.com/watch?v=QxDMdH4uzxI
Orbital Eccentricity in a Neutron Star–Black Hole Merger: #mergers: https://www.birmingham.ac.uk/news/2026/oval-orbit-casts-new-light-on-black-hole-neutron-star-mergers - breakthrough discovery provides new clues about how these celestial bodies that push the known laws of physics to their limits find each other.
Solar twins in Gaia DR3 GSP-Spec - building a large catalog of #SolarTwins with ages: https://www.aanda.org/articles/aa/full_html/2026/03/aa58913-26/aa58913-26.html -> Our Sun escaped together with stellar “twins” from galaxy center: https://www.eurekalert.org/news-releases/1119007
Universal energy limits of #RadiationBelts in planetary and brown dwarf magnetospheric systems: https://www.science.org/doi/10.1126/sciadv.aea4945 -> A new model defines an upper limit to planetary radiation belt intensity: https://www.helsinki.fi/en/news/mathematics-and-science/new-model-defines-upper-limit-planetary-radiation-belt-intensity
TOI-4616 b: a benchmark Earth-sized #planet transiting a nearby M4 dwarf: https://arxiv.org/abs/2603.10905 -> This Isn't Just Another Rocky World Orbiting a Red Dwarf. This One's Special: https://www.universetoday.com/articles/this-isnt-just-another-rocky-world-orbiting-a-red-dwarf-this-ones-special
Origin of #Hyperion and Saturn's Rings in A Two-Stage Saturnian System Instability: https://arxiv.org/abs/2602.09281 -> chat with the first author ("The Titan Impact: Saturn’s Moon System May Have Had a Catastrophic Past"): https://www.youtube.com/live/MVyn_bfZsaI
So the #ArtemisII FRR went "go" on all counts, they hope to roll out the stack to the pad again on 19 March and be ready to launch on 1 April at 22:24 UTC - the table of possible launch dates in April https://www.nasa.gov/wp-content/uploads/2026/01/artemis-ii-mission-availability.pdf just had another one added for 2 April.
A recently recovered 48 seconds (!) long SF feature film by Georges Méliès from 1897 some think has essentially the plot of "2001" or "The Terminator" - an #AI growing and then fighting its creator, but losing in the end: https://www.youtube.com/watch?v=ojqcjzzjN2Q
The NASA's #ArtemisII Flight Readiness News Conference should commence in 1/2 hour on https://www.youtube.com/watch?v=SpMMAdqMGWA
Gaia-GIC-1 - An Evolving Catastrophic #Planetesimal Collision Candidate: https://iopscience.iop.org/article/10.3847/2041-8213/ae3ddc -> UW astronomers collect rare evidence of two planets colliding: https://www.washington.edu/news/2026/03/11/uw-astronomers-spot-planet-collision-evidence/
Witnessing Magnetic Reconnection in Tangled Superpenumbral Fibrils around a Sunspot: #Sunspot: https://aasnova.org/2026/03/11/astronomers-see-braided-magnetic-fields-above-a-sunspot/