Uploaded February 2026 | Updated September 2026, 3 weeks ago

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🔴 [Interview+] No YT ads. Bonus Part. FREE for everyone
patreon.com/posts/151427929
👉 Interview with Dr Craig Walton about cosmic dust
youtu.be/GeuxmuzZ_xs

Why is the Earth habitable? What makes it so special? Why don't we see another copy of Earth out there? Finding out in this interview.

🟣 Guest: Dr. Craig Walton
craigwaltongeosci.wordpress.com
amazon.com/author/crwalton-sci-fi

📜 The chemical habitability of Earth and rocky planets prescribed by core formation
nature.com/articles/s41550-026-02775-z
📜 Meteorite Radioisotope Ages Reveal Late Dynamical Chaos in the Solar System
iopscience.iop.org/article/10.3847/2041-8213/ae3d34

00:00 Intro
02:07 Fraser learns a new word
06:33 Earth is special
19:50 Habitability of Venus and Mars
24:58 Implications for exoplanets
33:57 Current obsessions
50:11 Final thoughts

📰 GUIDE TO SPACE NEWSLETTER
Read by 70,000 people every Friday. Written by Fraser. No ads.
Subscribe for Free: universetoday.com/newsletter

🎧 PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: astronomycast.com

📩 CONTACT FRASER
frasercain@gmail.com

⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)

You are free to use my work for any purpose you like, just mention me as the source and link back to this video.