Destroying Asteroid YR4 // Bummer for Hycean Worlds // Water on Ryugu

Destroying Asteroid YR4 // Bummer for Hycean Worlds // Water on Ryugu

F
Fraser Cain
20 Video Views·Sep 27, 2025

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Should we destroy asteroid 2024 YR4 instead of letting it hit the moon? Why Hycean worlds probably don't exist. Liquid water once flowed on asteroid Ryugu. Space bytes+ a supermassive black hole that is breaking the Eddington limit.

00:00 Intro
00:20 Should we destroy 2024 YR4?
https://www.universetoday.com/articles/destroying-asteroid-2024-yr4-is-the-best-option-to-stop-it-from-hitting-the-moon
02:42 Hycean worlds don’t exist
https://www.universetoday.com/articles/bad-news-and-good-news-hycean-worlds-arent-real-but-earths-water-isnt-unusual
05:21 Liquid water on Ryugu in the past
https://www.universetoday.com/articles/liquid-water-flowed-on-ryugu-more-than-one-billion-years-after-it-formed
07:34 Mars was habitable not just once
https://www.universetoday.com/articles/mars-had-multiple-episodes-of-hability-says-new-research
09:32 Looking for exomoons
https://www.universetoday.com/articles/finding-exomoons-using-their-host-planets-wobble
12:18 Vote results
https://www.youtube.com/@frasercain/posts
12:48 Mission to observe Earth’s “halo”
https://www.universetoday.com/articles/a-mission-to-observe-earths-halo-is-on-its-way
14:13 Massive jet spotted by JWST
https://www.universetoday.com/articles/webb-spots-a-massive-stellar-jet-in-the-outer-milky-way
15:11 More space news
16:14 Core content of Universe Today

Host: Fraser Cain
Producer: Anton Pozdnyakov
Editing: Artem Pozdnyakov


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Creative Commons Attribution 4.0 International (CC BY 4.0)

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