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Astrophysicist at CRAL (Observatoire de Lyon, Université Lyon 1, @ENSdeLyon.bsky.social) | Planet formation 🪐 🐘: @[email protected] Born at 325ppm CO2
Jean-François Gonzalez









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This articulates incredibly clearly some of the reasons I'm scared of widespread LLM usage in my corner of academia.
One week to go to apply for our postdoc on radial velocities at Macquarie University in Sydney! aas.org/jobregister/...
This should be spread far and wide ! The number of errors is just astonishing… 🤦🏻‍♂️
youtube.com/shorts/EwXJa...
A new solar system in the making? For the second time ever, two planets have been directly observed forming around a host star. Our VLT and VLTI have helped astronomers confirm the presence of a second gas giant orbiting the star WISPIT 2.  More: https://www.eso.org/public/news/eso2604/ 🔭 🧪
2mo
2mo
1mo
15d
2mo
I’m happy to share my latest paper that is now available on arxiv: arxiv.org/abs/2603.26876
Happy with my quote here: “While NASA administrators are free to wax nostalgic for the days when Pluto was a planet ...scientists working in the field will continue to try to explain and classify objects in the solar system in the way that actually helps us understand the world in which we live.”
About the Role  We are seeking a Postdoctoral Research Associate in Exoplanet Science at Macquarie University in Sydney, Australia.  You will be working with A/Prof Benjamin Pope and A/Prof Christian ...
aas.org
Postdoctoral Research Associate in Exoplanet Science | American Astronomical Society
Les portes ouvertes de l'observatoire de Lyon c'est le 19 et 20 juin ! Plein d'activités prévues, des observations, des jeux... mais mon petit chouchou c'est cette maquette du JWST en Légo très réaliste ! (modèle starkspace.com) Par ici le programme : observatoire.univ-lyon1.fr/actualites/p...
YouTube video by C Ce Soir - France Télévisions
youtube.com
Que doivent dire les scientifiques pour alerter sur la canicule ? Par M.Reghezza-Zitt - C Ce Soir
Conférence grand public « Les mondes lointains : 30 ans d’exoplanètes » animée par Lucile Mignon et Michel Mayor, dans le cadre de la Semaine Française de l'Astrophysique. Le 24 juin 2026 à 19h au musée de Grenoble @villedegrenoble.bsky.social Tous les détails : buff.ly/eBk1vKB
2mo
1mo
Jean-François Gonzalez
Benjamin Pope
Maxime Trebitsch
9d
Astropierre
6d
Water ice is expected to be the dominant volatile component of bodies formed in the outer Solar System. However, recent observations of comets and trans-Neptunian objects suggest that the relative abu...
arxiv.org
Dust evolution during protoplanetary disk buildup enhances CO ice relative to water
The celestial body’s status as the solar system's ninth planet was withdrawn in 2006. Now some experts say we might want to reconsider
www.independent.co.uk
Jared Isaacman thinks Pluto should be a planet again. Here’s what the experts say
ESO
👏 Félicitations à Armand Leclerc ! Jeune docteur du Centre de Recherche Astrophysique de Lyon (CRAL), il a été désigné lauréat du Prix MERAC de la Société européenne d'astrophysique (EAS), pour la meilleure thèse en astrophysique théorique. 👉 Pour en savoir plus : tr.ee/F2wKGI ©DR
2mo
🔭 A cautionary tale for undergrads (and above!) using AI for #astro plots: our BSc student wanted to make a "quick" HR diagram showcasing M-dwarfs & thought some chatbot could make one and... well... ...extra credits are now offered to students who can correctly find all errors on cursedHR.png 🫠 🧪
SF2A
Joanna Drążkowska
Hey, I wrote a thing about AI in astrophysics ergosphere.blog/posts/the-ma...
1mo
Johan Richard
Mike Brown
2mo
On AI agents, grunt work, and the part of science that isn't replaceable.
ergosphere.blog
The machines are fine. I'm worried about us.
Linn Boldt-Christmas
École normale supérieure de Lyon
Minas Karamanis