Katherine de Kleer: Planets, Moons, Asteroids & Life in Our Solar System | Lex Fridman Podcast #184

ℹ️ EPISODE INFO

Released

May 17, 2021

Duration

1h 56m

Channel

Lex Fridman Podcast

Watch on YouTube

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📝 EPISODE DESCRIPTION

Katherine de Kleer is a professor of Planetary Science and Astronomy at Caltech. Please support this podcast by checking out our sponsors:

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EPISODE LINKS: Katherine's Website: http://web.gps.caltech.edu/~dekleer/ PODCAST INFO: Podcast website: https://lexfridman.com/podcast Apple Podcasts: https://apple.co/2lwqZIr Spotify: https://spoti.fi/2nEwCF8 RSS: https://lexfridman.com/feed/podcast/ Full episodes playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOdP_8GztsuKi9nrraNbKKp4 Clips playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOeciFP3CBCIEElOJeitOr41 OUTLINE: 0:00 - Introduction 1:27 - Pluto 6:35 - Kuiper belt 10:32 - How to study planets and moons 14:15 - Volcanoes on Io - moon of Jupiter 26:46 - Is there life in the oceans of Europa? 36:07 - How unlikely is life on Earth? 46:36 - Life on Venus 48:50 - Mars 55:37 - What is interesting about Earth as a planet? 1:06:15 - Weather patterns 1:11:25 - Asteroids 1:20:27 - Will an asteroid hit Earth soon? 1:29:10 - Oumuamua 1:44:20 - Book recommendations 1:50:58 - Advice for young people SOCIAL:

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• Support on Patreon: https://www.patreon.com/lexfridman

🎤 SPEAKERS

• Lex Fridman

  host

• Katherine de Kleer

  guest

🧾 EPISODE SUMMARY

In this episode of Lex Fridman Podcast, featuring Lex Fridman and Katherine de Kleer, Katherine de Kleer: Planets, Moons, Asteroids & Life in Our Solar System | Lex Fridman Podcast #184 explores volcanic moons, icy oceans, and the search for alien life Lex Fridman and planetary scientist Katherine de Kleer explore the worlds of our solar system, focusing on moons, small bodies, and what makes places potentially habitable. They discuss how and why objects like Pluto get reclassified, why moons such as Io, Europa, Enceladus, and Titan may be more scientifically exciting than planets, and how tidal heating and plate tectonics shape planetary environments. The conversation covers tools of exploration—from telescopes to flyby probes and future swarms of small spacecraft—and how they reveal volcanism, atmospheres, weather, and interior structures. They also delve into astrobiology, the Drake equation, interstellar visitors like ‘Oumuamua, and philosophical questions about our ignorance, loneliness, and the likelihood of other civilizations.

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