3I/ATLAS Just Got Stranger

Astrum October 8, 2025
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Astrum

@astrumspace

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How big is the Solar System? What actually orbits our Sun? Why should I even be interested in space? On this channel, we'll answer these and a whole host of other questions. We will have a series dedicated to each of our planets and showcase beautiful images and videos captured by probes and spacecraft of our amazing Solar System. Subscribe and join us on this journey of discovery!

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3I/ATLAS is doing something very strange as it approaches the Sun. If you love learning about science as much as I do, head to http://brilliant.org/astrum to start for free. You'll also receive 20% off a premium annual subscription, giving you unlimited access to everything on Brilliant. ▀▀▀▀▀▀ Join us for an update on 3I/ATLAS, our solar system’s newest visitor. Amid the frenzy to observe the fast moving object as it hurtles closer to the sun, we’re exploring everything we know so far, including the latest surprising discoveries. Could this interstellar object really be alien tech? ▀▀▀▀▀▀ 0:00 What’s New With 3I/ATLAS? 1:17 Recap: 3I/ATLAS So Far 3:03 Images From Hubble 4:40 Images from JWST 5:54 TESS 7:36 3I/ATLAS Got Brighter 9:08 The Comet’s Shape 10:10 The Comet’s Tail 10:56 Cyanide 13:40 Polarisation 16:33 3I/ATLAS Is Turning Green 17:36 Is 3I/ATLAS Alien Tech? 22:36 Approaching Perihelion ▀▀▀▀▀▀ To stay on top of space news, sign up to the Astrum newsletter: https://astrumspace.kit.com Astrum Displate Posters: https://displate.com/astrumspace?art=5f04759ac338b Astrum Merch: https://astrum-shop.fourthwall.com/ Join us on the Astrum discord: https://discord.gg/TKw8Hpvtv8 A huge thanks to our Patreons who help make these videos possible. Sign-up here to support the channel: https://bit.ly/4aiJZNF ▀▀▀▀▀▀ Astrum Podcast on Spotify: https://open.spotify.com/show/6jPRrbq3o3dpvBb173ZTKi?si=a90d3efe3b704c83 Astrum Earth: https://youtube.com/@AstrumEarth Astrum Extra: https://www.youtube.com/@astrumextra Astrum Spanish: https://www.youtube.com/@astrumespanol Astrum Portuguese: https://www.youtube.com/channel/UChn_-OwvV63mr1yeUGvH-BQ ▀▀▀▀▀▀ References: “Orbital and Physical Properties of 3I/ATLAS”, via arxiv.org https://astrumspace.info/atlasorbit “Spectroscopic Study of 3I/ATLAS”, via arxiv.org https://astrumspace.info/atlasspec “Early Observations of 3I/ATLAS”, via iop.org https://astrumspace.info/atlasobs “NASA Overview: 3I/ATLAS”, via nasa.gov https://astrumspace.info/nasaatlas “Gemini South Captures Growing Tail of 3I/ATLAS”, via noirlab.edu https://astrumspace.info/geminiatlas “Onset of CN Emissions in 3I/ATLAS”, via arxiv.org https://astrumspace.info/cn_atlas “Negative Polarization of 3I/ATLAS”, via arxiv.org https://astrumspace.info/atlas_polar “3I/ATLAS Could Be Turning Bright Green, New Photos Reveal”, via livescience.com https://astrumspace.info/greenatlas “Is 3I/ATLAS Alien Technology?”, via arxiv.org https://astrumspace.info/atlasalien “Why 3I/ATLAS is Not an Alien Probe”, via eartharxiv.org https://astrumspace.info/atlasnatural ▀▀▀▀▀▀ Credits: Writer: Edie Abraham Video Editor: Suhith Researcher: Shourya Shrivastava Script Editor: Damaris McColgan Edit Producer: Poppy Pinnock Thumbnail Designer: Peter Sheppard Publishing Lead: Georgina Brenner Production Manager: Raquel Taylor Head of Astrum: Jess Jordan Creator of Astrum: Alex McColgan With special thanks to: NASA/ESO/ESA #Astrum #Space #Comet #ATLAS

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