The first is about tracking the trajectories of dust particles around #comet #67P and led to this publication by Abhinav Jindal, @browngeomorphlab.bsky.social, and @spacemarschall.net. Lots of dust falls back on the surface, changing it's properties, which we want to model bsky.app/profile/nick...

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As arXiv announces a new submission rate limit policy, I refer anyone who is up in arms about it to👇Hogg 2026👇. I'm so confused who would want to submit so much slop? For me (both writing and hiring) it's always been about quality over quantity, every single time. 🧪⚛️ blog.arxiv.org/2026/10/01/u...

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If you missed the Martian moons kick-off of the IAU 100 Hours of Astronomy 🔭, you can watch a recording of the live feed here (including me, how could you miss it?!)! 🛰️ Stacks of content on the JAXA Martian Moons eXploration (MMX) mission, which will launch on October 20 🚀🚀🚀

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#OnThisDay 🔟 years ago, 30 September 2016, ESA's Rosetta mission ended with a landing on Comet 67P/Churyumov-Gerasimenko, 12 years after its journey started 🧪🔭 @esa.int @science.esa.int @cnes.fr @dlr-de.bsky.social @operations.esa.int #Space #History #SpaceHistory

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Have you ever heard of Gabriel's Horn? It's a mathematical shape, a deceptively simple "solid of revolution" that will melt your brain. It's also one of my very favorite things of all time. Oh my yes, you'll love this: badastronomy.beehiiv.com/p/a-geometri... 🧪

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