Navigate Select ESC Close

3I/ATLAS Got Even Stranger On the Closest Approach to the Sun

2025-11-07 Science & Technology
291.8k
19.8k
2.2k
Anton Petrov
Anton Petrov
1.6m subscribers

New Discoveries and Unexpected Nature of Interstellar Comet 3I/ATLAS

Analyze recent, unexpected observations of Comet 3I/ATLAS after it passed perihelion. Understand how this ancient visitor is challenging current models of comet activity and planetary formation.

Short Summary

  • 3I/ATLAS underwent highly anomalous, rapid brightening and shifted color to blue near the Sun, suggesting intense activity. [00:02:17], [00:03:04]
  • JWST revealed an extremely thick, irradiated crust (up to 20m deep) formed by billions of years of cosmic ray bombardment. [00:04:21]
  • The comet offers potential clues challenging standard planet formation models, suggesting interstellar objects might seed new worlds. [00:06:44]

This update focuses on data gathered just before and immediately following 3I/ATLAS’s perihelion passage. These findings expose the object's surprising activity levels and introduce significant implications for understanding solar system origins.

Unlock all features

FREE: Get instant access to 10 AI summaries, chats, or transcripts per day.

Description

Support this channel on Patreon to help me make this a full time job: https://www.patreon.com/whatdamath (Unreleased videos, extra footage, DMs, no ads) Alternatively, PayPal donations can be sent here: http://paypal.me/whatdamath Get a Wonderful Person Tee: https://teespring.com/stores/whatdamath More cool designs are on Amazon: https://amzn.to/3QFIrFX Hello and welcome! My name is Anton and in this video, we will talk about new 3I/ATLAS discoveries Links: https://arxiv.org/abs/2510.25035 https://meetingorganizer.copernicus.org/EPSC-DPS2025/EPSC-DPS2025-1927.html Previous updates: https://youtu.be/arOgYkzMlp0 https://youtu.be/TPLwBU9G_Xw https://youtu.be/JofAGXjWxyw #3iatlas #comet #astronomy 0:00 3I/ATLAS updates 1:40 What happened during the closest approach? 2:20 Brighter than ever before 3:10 Dramatic color shift to blue 4:20 JWST discovers a strange crust 6:40 Interstellar comets as sources of planetary formation 8:30 Second phase of observations just began 9:40 Closest to Earth approach and departure 10:50 Conclusions and what's next? Enjoy and please subscribe Bitcoin/Ethereum to spare? Donate them here to help this channel grow! bc1qnkl3nk0zt7w0xzrgur9pnkcduj7a3xxllcn7d4 or ETH: 0x60f088B10b03115405d313f964BeA93eF0Bd3DbF Thank you to all Patreon supporters of this channel Special thanks also goes to all the wonderful supporters of the channel through YouTube Memberships Licenses used: https://creativecommons.org/licenses/by/4.0/ and relevant Creative Commons licenses

Top Comments (10)

@Randumtacoz 2025-11-07

I usually don't pay much attention to 3i Atlas updates anymore until I hear something from you Anton. Thank you for being a reasonable, reliable, and accurate source of information in a time of rampant misinformation. You're truly a wonderful person

780 66 replies
@noloatmo6682 2025-11-08

Anton, thank you for talking about this object without going into the sensational like 99.9% of the other Youtubers do. That shows how professional you are, sir!

485 30 replies
@stevenkarnisky411 2025-11-08

Comet, or not, it is pretty cool that we can actuually study an interstellar object that zooms in and out of our solar system so quickly. Repurposing our space probes to take a look reflects the skills of their designers and builders who never anticipated such a thing! Thanks, Anton!

310 18 replies
@Kalepherion 2025-11-08

Trust is not given, but earned. You Sir, have earned my trust over the years. Keep it up!

308 15 replies
@Androg3nic 2025-11-07

You're the only person I can trust on 3IAtlas. Thanks, Anton ❤

273 15 replies
@mishmash86 2025-11-08

Real science. No ads. No bullshit. Thanks!

228 12 replies
@Honeykarthika 2025-11-08

At last a reliable source on 3i atlas. Why didnt i think of just coming to antons channel amid so much misinformation spread by 100s of ai channels

175 13 replies
@George-rk7ts 2025-11-07

Marvelous video. This is what science is - every answer raises more questions, and we keep learning. Thank you, wonderful person.

108
@frankwitte1022 2025-11-09

Your reporting about 3I/Atlas has been a sane breath of fresh air.

40
@uncah_bucchal2953 2025-11-09

Anton... you are a good man. It makes me sad that charlatans get so much more attention than the facts.

5

Unlock the Data Inside
Turn Videos into Knowledge

  • Get FREE 10/day: transcripts, summaries, chats
  • Chat with videos, export text & PDF
  • $1 free API credit for RAG, chatbots & research

Free forever plan • All features unlocked

App screenshot