Reposted by Yaël MoussouniESA Earth Observation @esaearth.esa.int · 13/08/2026Here comes the S̶u̶n̶ Moon 🌑 On 12 August, a total solar eclipse was visible across parts of Europe, while much of the continent experienced a partial eclipse. From space, MTG-I1 recorded the Moon’s shadow moving across Earth: www.esa.int/ESA_Multimed... 📹ESA/Eumetsat 1307128
Reposted by Yaël MoussouniESO @eso.org · 28/07/2026The conclusion of a century-long quest 😲 Our VLT obtained firm evidence that Betelgeuse, a red supergiant star in the Orion constellation and one of the most famous stars in the night sky, is not alone! 🔭 🧪 1/4 324496
Reposted by Yaël MoussouniObservatoire astronomique de Strasbourg @obsstrasbourg.bsky.social · 28/07/2026Un article publié aujourd'hui montre comment les filaments cosmiques de l’Univers influencent la naissance des étoiles. astro.unistra.fr/fr/2026/07/2...astro.unistra.frLes filaments cosmiques de l'Univers influencent la naissance des étoiles - Observatoire astronomique de StrasbourgÀ l’échelle de centaines de millions d’années-lumières, les galaxies sont réparties le long d’un immense réseau de filaments de matière appelé la toile cosmique. Si l’on savait déjà que les galaxies p... 144
Reposted by Yaël MoussouniSpace Telescope Science Institute @stsci.edu · 13/07/2026NEWS: The case of Omega Centauri’s missing stellar-mass black holes is beginning to be solved with 20+ years of Hubble data and recent #NASAWebb data. Scientists detected a star in the cluster and found it to be orbiting a stellar-mass black hole: news.stsci.edu/3SUGysD 07820
Yaël Moussouni @ial-2.bsky.social · 12/07/2026Pic vert (juv. fem.) pris en photo ce matin #bird #birding #oiseau 100
Reposted by Yaël MoussouniAstropierre @astropierre.com · 11/07/2026Des scientifiques allemands tirent la sonnette d'alarme face aux propositions de l'AfD, parti d'extrême droite en pleine ascension, qui propose de limiter/interdire certaines recherches (sociales ou climatiques) et restreindre la liberté académique. www.nature.com/articles/d41...nature.comScientists fight back against far-right plans to restrict academic freedom in GermanyWith the far-right Alternative for Germany leading in polls for national and state elections, institutions are facing up to proposed restrictions on academic freedom. 1210662
Yaël Moussouni @ial-2.bsky.social · 29/06/2026#EAS2026 started today! I've made my first poster for this event, and I will present it in 3 minutes during session S11f tomorrow. You can check it here: k-poster.kuoni-congress.info/eas-2026/pos... 020
Reposted by Yaël MoussouniProf Stephen Serjeant @stephenserjeant.bsky.social · 18/06/2026Don’t trust LLMs with your literature searches. Horrible gender biases as found in this paper (from later in the thread below) arxiv.org/abs/2508.02740 🧪🔭arxiv.orgWho Gets Cited? Gender- and Majority-Bias in LLM-Driven Reference SelectionLarge language models (LLMs) are rapidly being adopted as research assistants, particularly for literature review and reference recommendation, yet little is known about whether they introduce demogra... 19148
Reposted by Yaël MoussouniNicolas Martin @nfmartin1980.bsky.social · 08/06/2026C’est un plaisir d’intervenir cet après-midi dans @sciencecqfd.bsky.social. On y parlera amas globulaires, archéologie galactique et matière noire ! 042
Reposted by Yaël MoussouniRosemary Mosco @rosemarymosco.com · 27/05/2026Female birds with confusing names. 382381696
Reposted by Yaël MoussouniEmily Hunt @emily.space · 06/05/2026If you are paying for Claude and you claim to care about astronomy or the night sky - think again. 🔭☄️ SpaceX's orbital data center plans would *ruin* ground-based astronomy & the night sky. Anthropic are partnering with them.wired.comAnthropic Gets in Bed With SpaceX as the AI Race Turns WeirdIn an unexpected turn, the two companies signed a deal for Anthropic to use computing resources from Elon Musk’s xAI. 1118390
Reposted by Yaël MoussouniNiki Hubbard, PhD 🐙🦀 @nikihubbard.bsky.social · 30/03/2026Once upon a time I just admired nudis and sea slugs. But it was not enough. Now apparently I'm creating an R package to celebrate their colour palettes? 😅 First up, my Sydney fave, Hypselodoris bennetti. #rstats #nudibranch #dataviz 🦑🐙🧪 #marinelife #invertebrates 411488367
Reposted by Yaël MoussouniTom Gauld @tomgauld.bsky.social · 21/04/2026My latest cartoon for @newscientist.com 121215313
Reposted by Yaël MoussouniProf. Sam Lawler @sundogplanets.mastodon.social.ap.brid.gy · 16/04/2026BABY GOATS!!! The first mama has 2 healthy babies! They are dried off, warmed up, and starting to try to nurse so I'm back inside warming up for a bit. #BabyGoatCountdown 81739
Reposted by Yaël MoussouniSF2A @sf2a.bsky.social · 15/04/2026Lauréat du prix de thèse 2025 de la SF2A: Jean Kempf pour sa thèse: « Turbulence magnétisée stratifiée et effet dynamo dans le milieu intra-amas », qu’il a effectué à l’Institut de Recherche en Astrophysique et planétologie (IRAP), sous la direction de François Rincon. buff.ly/cE5IGHZsf2a.eu 021
Reposted by Yaël MoussouniKatie Mack @astrokatie.com · 07/04/2026The reaction of Dr Kelsey Young at the Science Desk was one of the best things in the feed but I'd also like to acknowledge the dude in the lower left corner of the control room view doing his own little dance of joy during Jeremy Hansen's discussion of his corona observations. #Artemis 232124320
Reposted by Yaël MoussouniKatie Mack @astrokatie.com · 07/04/2026This is the face of a lunar scientist who has just been told that the #Artemis II crew saw SEVERAL impact flashes (the flashes when meteors hit the lunar surface) in real time 😃 🌓💥 164183842863
Reposted by Yaël MoussouniEvent Horizon Telescope @ehtelescope.bsky.social · 07/04/2026Unexpected EHT intern alert! This bird had gotten lost in the fog and appeared at the IRAM 30-m control room door- more than 1,500 meters above its usual habitat. After a brief "internship," it was safely released back into nature the next morning. #M87MOVIE 15812
Reposted by Yaël MoussouniEric Lagadec @ericlagadec.bsky.social · 06/04/2026Mon avis sur la mission Artemis. Cela reste un concours d'orbite entre nations, pour aller plus loin, plus vite que les chinois et c'est triste. Je suis convaincu que chaque mission spatiale devrait avoir un intérêt pour l'humanité. Maintenant, si belle image il y a, je la partage #contradictions 3652175
Reposted by Yaël MoussouniRandall Munroe @xkcd.com · 01/04/2026CREATION Happy April Fool's Day! xkcd.com/3227/ 454456878
Reposted by Yaël MoussouniObservatoire astronomique de Strasbourg @obsstrasbourg.bsky.social · 11/03/2026Vidéo du bolide observé dans le ciel alsacien dimanche 8 mars 2026 à 18h55 locales. (document remis) youtu.be/UwRTPv0EFV8youtu.beBolide du 8 mars 2026.YouTube video by Observatoire astronomique de Strasbourg 074
Reposted by Yaël MoussouniObservatoire astronomique de Strasbourg @obsstrasbourg.bsky.social · 09/03/2026Un bolide spectaculaire a fait une rentrée atmosphérique remarquée dimanche 8 mars peu avant 19h. Plus de 2800 témoignages ont été publiés sur ce site, depuis la France, la Belgique, et l'Allemagne. Avez-vous eu la chance de l'observer ? fireballs.imo.net/members/imo_...fireballs.imo.netInternational Meteor OrganizationWe received 2871 reports about a fireball seen over Aargau, Auvergne-Rhône-Alpes, Île-de-France, Baden-Württemberg, Basel-Landschaft, Basel-Stadt, Bavaria, Bayern, Bern, Bourgogne-Franche-Comté, Bruss... 154
Reposted by Yaël MoussouniObservatoire astronomique de Strasbourg @obsstrasbourg.bsky.social · 12/03/2026BFM Alsace a interviewé Yaël Moussouni @ial-2.bsky.social , doctorant à l'Observatoire, à propos du bolide du 8 mars. Sujet à revoir à 19'45", et à 42' dans cette vidéo : www.bfmtv.com/alsace/repla...bfmtv.comBonsoir Alsace du mercredi 11 mars 2026VIDÉO - Bonsoir Alsace accompagne les téléspectateurs de BFM Alsace dans leur soirée avec un focus sur l'actualité locale : infos, météo, sport, trafic. 011
Reposted by Yaël MoussouniEric Lagadec @ericlagadec.bsky.social · 09/03/2026Suite de l'histoire du bolide en Allemagne. Ça a traversé un toit de maison et des bouts de météorites ont été observés ! 310618
Reposted by Yaël MoussouniEric Lagadec @ericlagadec.bsky.social · 09/03/2026Visiblement, un astéroïde est rentré dans l'atmosphère hier en se fragmentant. Il y a sans doute même des météorites au sol! Je vous tiens au courant. 1128869
Reposted by Yaël MoussouniEmily Hunt @emily.space · 07/03/2026i love this little website youraislopbores.me 13469124
Reposted by Yaël MoussouniMichelle Collins @runningastronomer.bsky.social · 26/02/2026Me and @readdark.bsky.social are advertising aPhD position in our lovely group here at Surrey university. We're looking to understand unusual globular clusters and faint dwarf galaxies. Check out the advert and get in touch if you have questions 🔭🧪 www.surrey.ac.uk/fees-and-fun...surrey.ac.ukBeyond Ultra-Faint: revealing dark-matter rich globular clusters in the local universe | University of Surrey 23014
Reposted by Yaël MoussouniNick Kodama 🌳👻 @nickkodama.bsky.social · 15/02/2026roses are red cherenkov is blue just use a screwdriver what's the worst it could do 472539747
Yaël Moussouni @ial-2.bsky.social · 14/02/2026I had fun with #matplotlib before leaving for the weekend I wanted to do this #matplotart for quite some time, from a galaxy cluster image I'm working with. I blurred and rescaled it, took every ~100 line of pixels from the image, and made ridgeline plots with them. 010
Reposted by Yaël MoussouniSarah Kendrew @sarahkendrew.bsky.social · 12/02/2026"Every person is a human being, whose personal development is more important than our short-term scientific accomplishments" - and more bangers in this from David Hogg (spoiler: it's about AI!) arxiv.org/abs/2602.10181 🔭arxiv.orgWhy do we do astrophysics?At time of writing, large language models (LLMs) are beginning to obtain the ability to design, execute, write up, and referee scientific projects on the data-science side of astrophysics. What implic... 26117
Reposted by Yaël MoussouniTom Gauld @tomgauld.bsky.social · 08/02/2026My cartoon for this week’s @newscientist.com 171074305
Reposted by Yaël MoussouniMission spatiale Euclid 🇫🇷 @euclid-france.bsky.social · 04/02/2026"Tile 102159776" C'est le nom barbare donné à cette image d'Euclid, à travers laquelle nous vous proposons de voyager aujourd'hui... Des dizaines de milliers de photos comme celles-ci seront prises par notre cher satellite, toutes aussi riches et belles que Tile 102159776 ! 🤩 #science #astro 0199
Reposted by Yaël MoussouniIain Roberts @slowbikeiain.bsky.social · 20/01/2026Yesterday it was cows using tools, today its penguins using satellite imagery. 14390672343
Reposted by Yaël MoussouniEuclid Consortium @ec-euclid.bsky.social · 21/12/2025Au revoir Yannick! Dear colleagues and friends, It is with the greatest sadness that we announce the passing of Yannick Mellier, which occurred during the night between Friday and Saturday. His death leaves a huge void within the consortium and our community. 1/3 #astronomy #space #ESA 3246
Reposted by Yaël MoussouniArthur Michaut 🔬🐣 @amichaut.bsky.social · 05/12/2025🚨 Je cherche des chercheur-ses de toutes disciplines pour un doc radio pour parler de leur sujet de recherche mais aussi de leur quotidien (une journée type au labo). Contrainte supplémentaire, le labo doit être hors de Paris. Plus d'infos : forms.gle/hw9wH2p5UH4A...forms.gleInterview de chercheur-ses pour doc radioÀ l'occasion d'un projet de documentaire radio sur France Culture, je cherche des chercheur-ses représentant une diversité de disciplines mais également de statuts à interviewer. L'idée est de partir... 63249
Reposted by Yaël MoussouniObservatoire astronomique de Strasbourg @obsstrasbourg.bsky.social · 21/11/2025L'Observatoire astronomique de Strasbourg a eu le plaisir d'accueillir les Rencontres Euclid-France 2025, avec une journée au Planétarium du Jardin des Sciences où les données Euclid ont été montrées en pleine voûte. euclidfrance25.sciencesconf.org/program 052
Reposted by Yaël MoussouniObservatoire astronomique de Strasbourg @obsstrasbourg.bsky.social · 27/10/2025La semaine prochaine, @nfmartin1980.bsky.social et Claire Guillaume feront un spectacle sur l'archéologie galactique avec les courants d’étoiles, au Planétarium du Jardin des Sciences de @unistra.fr, avec les Echappées inattendues @cnrs.fr les 4 et 7/10. jardin-sciences.unistra.fr/programmatio...jardin-sciences.unistra.frL’archéologie galactique avec les courants d’étoilesUn spectacle proposé dans le cadre des Echappées inattendues du CNRS : embarquez pour un voyage immersif depuis l’orbite terrestre jusqu’aux confins de la Voie lactée. Découvrez comment les astronomes... 1165
Reposted by Yaël MoussouniThomas Boch @bochthomas.bsky.social · 18/09/2025While at CDS, the Aladin project mainly deals with deep sky images, we also map planetary surfaces. We released the HiPS of China's Tianwen-1 MoRIC images, a true-color map of Mars at 76m resolution. Interact with this awesome dataset in Aladin Lite at alasky.cds.unistra.fr/Planets/CDS_... 14314
Reposted by Yaël MoussouniObservatoire astronomique de Strasbourg @obsstrasbourg.bsky.social · 01/09/2025Un petit reportage pour en savoir un peu plus sur l'usage des données du CDS @cdsportal.bsky.social au Planétarium : savoirs.unistra.fr/eclairage/le...savoirs.unistra.frLe Planétarium, un outil pour la projection de données scientifiquesUnique planétarium universitaire en France, le Planétarium du Jardin des Sciences de l'Université de Strasbourg entretient un lien direct avec la recherche scientifique. Ses équipes travaillent notamm... 033
Reposted by Yaël MoussouniEmily Hunt @emily.space · 26/06/2025Finding out about Gaia at #EAS2025Cork! ☄️ Just announced: Gaia DR4 will be released in December 2026! 19537
Reposted by Yaël MoussouniKatie Mack @astrokatie.com · 23/06/2025If we manage to work well together, we get to learn a little bit about it 458616
Reposted by Yaël MoussouniKatie Mack @astrokatie.com · 23/06/2025I frequently take comfort in the fact that the Universe is vast and beautiful and entirely unaffected by petty human foolishness 1013971472
Reposted by Yaël MoussouniNSF–DOE Rubin Observatory @rubinobservatory.org · 23/06/2025Introducing...your sneak peek at the cosmos captured by NSF–DOE Vera C. Rubin Observatory! Can you guess these regions of sky? This is just a small peek...join us at 11am US EDT for your full First Look at how Rubin will #CaptureTheCosmos! 🔭🧪 #RubinFirstLook ls.st/rubin-first-look-livestream 22704329
Reposted by Yaël MoussouniESO @eso.org · 17/06/2025New exoplanet classification just dropped 🔭🧪 xkcd.com/3103/ 618155
Reposted by Yaël MoussouniCorentin Duval @corentinduval.bsky.social · 13/06/2025🔴 Sauvons le Palais de la découverte ! Le Palais est en danger, menacé d’expulsion. Signez et partagez cette pétition au plus grand nombre pour préserver ce haut lieu des sciences à Paris ⤵️ www.change.org/p/sauvons-le...change.orgSignez la pétitionSauvons le Palais de la découverte 12012
Yaël Moussouni @ial-2.bsky.social · 06/06/2025#Introduction: I'm Yaël Moussouni, a #MSc student (and #PhD student from October) in #astrophysics at Strasbourg, working on extra-galactic globular clusters and their stellar populations (with @karinavoggel.bsky.social and Ariane Lançon) I'm also involved in #astronomy outreach during summers. 220
![4-panel comic. (1) [Black panel with white text boxes] TEXT BOX: And God said, "Let there be light," (2) [Sun radiating light.] TEXT BOX: And there was light. (3) [View of bright sun rising over Earth's horizo] (4) TEXT BOX: God saw that light was-- [Chat bubble from Earth] CHAT BUBBLE: Can you add support for dark mode?
Open xkcd.com to view toggles for different modes.](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:cz73r7iyiqn26upot4jtjdhk/bafkreigv4lnl5phqlsgrautsjkvbzclczdwkiditx4lkoipyqxmvnorwei)
![Comic. [Over dark background, a five-pointed pentagram-style star orbits around a white circle with a smaller orbit.] [caption] Space news: Astronomers have found the first known system with a main-sequence star orbited by a five-pointed one.](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:cz73r7iyiqn26upot4jtjdhk/bafkreigbbhzy2dqnafyqqba26sgh7vjzdu2mvsczyiapveerp2eoru6gum)
