A giant impact between proto-Earth and a planet called Theia produced the Moon. Hopp et al. use isotopic measurements of lunar samples and cosmochemical modelling to show that Theia formed in the inner Solar System, probably closer to the Sun than Earth. ☄️ #planetsci www.science.org/doi/10.1126/...

Last week I had the honour to speak at the 5th Innovation Forum for Intelligent Computing at Zheijang Lab, and share my voice on a panel with experts with a lot more seniority. Here are some tips for early career researchers for when you're the youngest in the room and feeling small 🧪🔭

This person is paying OpenAI two hundred dollars a month to have a chatbot gaslight them about making an excel spreadsheet

We are pleased to announce that the Astrophysics Centre for Multimessenger Studies in Europe (ACME) EU-funded project has officially launched its online platform for virtual access to multi-messenger expertise. 🔭🧪⚛️☄️ support.acme-astro.eu Details in the thread below and on: www.acme-astro.eu

Today is the release day of Gazan physics student Wasim Said's memoir of life under the genocide. 🧪 You should grab a copy. #BookSky 1804books.com/products/wit...

"no evidence supporting a statistically significant trend of [O star] multiplicity properties with metallicity" still high (~70%) in the SMC - interesting! 🔭🧪 #AstroSci #extragalactic

How long do we give the techno-bros to start weaponising DEI by saying their fave AI is conscious and has feelings and saying otherwise is "dehumanizing" and cruel?

That’s a much better title yeah

My preferred title "Bot does Astronomers' Cosmic Laundry" But I guess it didn't sound serious enough. Fun fact the tool still works even though we added a whole new telescope in the stream this summer and without retraining 🤣🫶 www.ox.ac.uk/news/2025-09...

"AI-powered" is obviously a marketing term. My models use a nifty little trick called Histogram Based Gradient Boosted Decision trees. TL;DR it approximates complex probability distributions by adding loads of small functions (here trees). Why is it smart if it's so simple? 1/2 #AstroSci

Nice work by @sydonahi.bsky.social phys.org/news/2025-09...

Reminder that you can take your science seriously without taking yourself too seriously. #AstroSci 🧪

For the last two years, I've been paying for the Astronomy feeds hosting myself. It has been a privilege to grow our community here, but I also shouldn't keep doing it for free 😅 That's why I'm delighted to announce that we now have a donations page on Open Collective! 🔭☄️ #astrophotography

New from Wynn Jacobson-Galán ! it’s so cool to see such an expansive spectral energy distribution (SED) of such an extraordinary event. arxiv.org/abs/2508.11747 🧪🔭☄️

Well... the discussion around 3I/ATLAS continues to... evolve. This object is super exciting, fascinating, worthy of a LOT of study and press! ALSO so far as I have seen, & from every solar system expert I've talked to (and I know a lot of 'em!), it looks like a comet, not a spaceship. 🔭🧪☄️

Guess which matplotlib colour map this was inspired by. 🧪🔭 #AstroSci

PS if you’re a member of the press: I and my colleagues will happily talk about 3I/ATLAS until the (interstellar) cows come home. But my only comment on whether it’s an alien spacecraft is: Avi is talking nonsense on stilts, and doesn’t understand comets.

I see the first articles in the UK press giving space to the claim that 3I/ATLAS is an alien spacecraft. Briefly: It’s a comet that formed billions of years ago, passing through our Solar System. It’s behaving like a comet. There is no evidence it’s artificial.

Hey bluesky! Please help me reach the right scientists 🧪 The moon **sidereal** period is ~27 days and menstruation is ~27 to 28 days on average. I am wondering if it is due to an evolutionary advantage in early humans with calendars being able to predict period and do family planning 1/

The University of Warwick has paid a lot of money, I'm guessing, for their internet banner ads on the Guardian and elsewhere. But they can't spell "curiosity". This isn't a US-UK variant. They just, genuinely, have a massive spelling error in their banner ads.

I did the thing that took 20 minutes and I've been putting off for 6 years!

Paper on the ATLAS Virtual Research Assistant is still in press (but fully accepted) so I'm holding off on further bragging for a little bit, but in the mean time the Schmidt AI in Science folks at Oxford did a quick profile on me Let's be nosy about the Universe! saiis.web.ox.ac.uk/article/a-st...

Very promising news on the next seven-year EU budget, with a proposed substantial increase for Horizon Europe including the ERC. We are analysing the other parts of this proposal in more detail. @Vonderleyen @EZaharievaEU research-and-innovation.ec.europa.eu/news/all-res...

🚀 A new version of Astro-COLIBRI is live! 🔭 Easier searches, photometry filters, host galaxy classifications, and much more. ☄️🧪⚛️ Check out all the updates here 👉 forum.astro-colibri.science/t/new-releas...

Someone take up this very generous offer! I also recommend checking out the resources from the OpEd Project if you want to learn to write opinion: www.theopedproject.org

They used 304 case studies from a medical journal. 1) doctors don't diagnose through case studies. 2) if it's in case studies it's in the corpus. AI is an excellent parrot. It cannot be left alone to make decisions, no matter how much you wish it to happen to create more shareholder value

Let's be very explicit - this is the direct result of Israel blocking aid. This is an instrument of genocide. Killing children isn't collateral damage. It's the goal.

Reset the counter!

The Minor Planet Center has designated 3I/ATLAS = C/2025 N1 (ATLAS), or informally "Comet ATLAS", a new interstellar comet that is currently about 4.5 AU from the Sun and screaming through the solar system at 58 km/s (130000 mph)

Our new interstellar visitor has a name! Welcome to the Solar System, Comet ATLAS! 🔭☄️

Yes, to clear up confusion, we *did not* discover A11pl3Z. We only did follow-up observations to confirm it. A11pl3Z was discovered on 2025 July 1 by the Asteroid Terrestrial-impact Last Alert System (ATLAS) based in Chile, Rio Hurtado. ATLAS also has stations in Hawaii and South Africa. (tag ☄️🔭🧪)

Think you can spot a comet? ☄️ Try your eye with the *very first* citizen science project on @zooniverse.bsky.social that uses data from NSF-DOE Rubin Observatory, Comet Catchers! 🔭🧪 We can't think of a more fitting project for #AsteroidDay 🤩 ☄️ cometcatchers.net ☄️

@eso.org has this really cool paper model of the Extremely Large Telescope and I just finished mine! I got the kit at EAS but you can get it for free with instructions online! Thanks ESO ❤️🙏 www.eso.org/public/produ... 🔭🧪

Worth reminding y'all that Creative Commons Licenses and other open licenses are FREE to put on your intellectual property (e.g. pre prints on arxiv, data, code). 🔭🧪 #AstroSci

So happy to join this grass roots initiative. This is, in my mind, the future of scientific publishing in astronomy

✨MY JUNK IS YOUR DATA✨ If you'll be looking for transients in LSST and supernovae are annoying contaminants I WANT TO READ YOUR PAPERS! Here's a quick form where you can drop your work for me to read and cite! #AstroSci #extragalactic 🔭 forms.gle/LxUvkS2Ha1aD...

🌌 The Vera Rubin Observatory will revolutionize how we see the night sky — building the ultimate time-lapse of the Universe! 🔭 First public detections of transients are expected soon: you’ll be able to follow them in Astro-COLIBRI. ☄️ 📸 First images drop today! 📺 Live at 17h (CEST): shorturl.at/ey8QG

Wondering what to do at #EAS2025Cork tomorrow? Come along to SS45, which is the early career researchers session! In the morning (9:40) I'll be giving a talk about the astronomy feeds - how they started, how they work, and how to make the most of social media as an ECR 🔭☄️

We're happy to announce @markmiodownik.bsky.social as our new Professor for Public Engagement in Science! His mission will be to transform our understanding of how we make, use, reuse & recycle products, & explore how we can live more sustainably. Watch this space! royalsociety.org/news/2025/06...

Like epistemic closure of CS to other disciplines is bad, yes. But also 1) not all social sciences are created equal; 1a) most were born and bred to support state subjugation; 2) the problem is not only epistemic isolation but the mode of critique; 3) most ss methods are not modes of critique

brb writing a paper called "social science is not a fix for computer science"

This image is only 2% of the whole image! This is going to be an AWESOME 10 years! #astrosci 🔭

This image is only 2% of the whole image! This is going to be an AWESOME 10 years! #astrosci 🔭

Not a fan of the American dude saying that some projects are too big to be undertaking by anyone except the US when Rubin has come to life because of SO MANY scientists from ALL OVER the world, even when those that worked in the US Get your US imperialism out of our science @vrubinobs.bsky.social

LET'S GO! @lsstuk.bsky.social @vrubinobs.bsky.social

My face when I'm trying to juggle two conference parallel sessions AND the vera rubin first look party happening this afternoon 🔭

Introducing...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

The Irish minister for higher education quoting the prophet Mohamed to remind us that "the sky is a shared roof" for all of humanity is a beautiful opening for an international Astrophysics conference in a world shaken by war and a sky taken over by corporations. 🔭🧪 @eas-meeting.bsky.social

✨MY JUNK IS YOUR DATA✨ If you'll be looking for transients in LSST and supernovae are annoying contaminants I WANT TO READ YOUR PAPERS! Here's a quick form where you can drop your work for me to read and cite! #AstroSci #extragalactic 🔭 forms.gle/LxUvkS2Ha1aD...

@eas-meeting.bsky.social here we gooo!