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#116 – Sara Seager: Search for Planets and Life Outside Our Solar System

Lex Fridman Podcast

Conversations about science, technology, history, philosophy and the nature of intelligence, consciousness, love, and power. Lex is an AI researcher at MIT and beyond.

Sara Seager is a planetary scientist at MIT, known for her work on the search for exoplanets.

Support this podcast by supporting our sponsors. Click links, get discount:
- Public Goods at https://publicgoods.com/lex and use code LEX
- PowerDot: https://powerdot.com/lex and use code LEX
– Cash App – use code "LexPodcast" and download:
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Episode links:
Sara's Twitter: https://twitter.com/profsaraseager
Sara's Website: https://www.saraseager.com/
The Smallest Lights in the Universe (book): https://amzn.to/3g3LfHA

If you would like to get more information about this podcast go to https://lexfridman.com/ai or connect with @lexfridman on Twitter, LinkedIn, Facebook, Medium, or YouTube where you can watch the video versions of these conversations. If you enjoy the podcast, please rate it 5 stars on Apple Podcasts, follow on Spotify, or support it on Patreon.

Here's the outline of the episode. On some podcast players you should be able to click the timestamp to jump to that time.

OUTLINE:
00:00 - Introduction
05:32 - Falling in love with the stars
09:55 - Are we alone in the universe?
15:27 - Seager equation for number of habitable planets
27:48 - Exoplanets
34:44 - Earth-like exoplanets
40:43 - Intelligent life
52:34 - Number of planets per star
55:09 - Space exploration
57:36 - Traveling to Proxima Centauri
1:00:52 - Starshade
1:07:34 - Using the sun as a gravitational lens
1:09:44 - Starshot
1:12:45 - Rogue planets
1:15:44 - The Smallest Lights in the Universe
1:30:15 - Book recommendations
1:37:48 - Advice for a young person
1:39:29 - Meaning of life

Sara Seager is a planetary scientist at MIT, known for her work on the search for exoplanets.
Support this podcast by supporting our sponsors. Click links, get discount: 
– Public Goods at <a href="https://publicgoods.com/lex">https://publicgoods.com/lex</a> and use code LEX 
– PowerDot: <a href="https://powerdot.com/lex">https://powerdot.com/lex</a> and use code LEX 
– Cash App – use code “LexPodcast” and download: 
– Cash App (App Store): <a href="https://apple.co/2sPrUHe">https://apple.co/2sPrUHe</a> 
– Cash App (Google Play): <a href="https://bit.ly/2MlvP5w">https://bit.ly/2MlvP5w</a>
Episode links: 
Sara’s Twitter: <a href="https://twitter.com/profsaraseager">https://twitter.com/profsaraseager</a> 
Sara’s Website: <a href="https://www.saraseager.com/">https://www.saraseager.com/</a> 
The Smallest Lights in the Universe (book): <a href="https://amzn.to/3g3LfHA">https://amzn.to/3g3LfHA</a>
If you would like to get more information about this podcast go to <a href="https://lexfridman.com/ai">https://lexfridman.com/ai</a> or connect with @lexfridman on <a href="https://twitter.com/lexfridman">Twitter</a>, <a href="https://www.linkedin.com/in/lexfridman/">LinkedIn</a>, <a href="https://www.facebook.com/lexfridman">Facebook</a>, <a href="https://medium.com/@lexfridman">Medium</a>, or <a href="https://www.youtube.com/lexfridman">YouTube</a> where you can watch the video versions of these conversations. If you enjoy the podcast, please rate it 5 stars on <a href="https://podcasts.apple.com/us/podcast/artificial-intelligence/id1434243584">Apple Podcasts</a>, follow on <a href="https://open.spotify.com/show/2MAi0BvDc6GTFvKFPXnkCL">Spotify</a>, or support it on <a href="https://www.patreon.com/lexfridman">Patreon</a>.
Here’s the outline of the episode. On some podcast players you should be able to click the timestamp to jump to that time.
OUTLINE: 
00:00 – Introduction 
05:32 – Falling in love with the stars 
09:55 – Are we alone in the universe? 
15:27 – Seager equation for number of habitable planets 
27:48 – Exoplanets 
34:44 – Earth-like exoplanets 
40:43 – Intelligent life 
52:34 – Number of planets per star 
55:09 – Space exploration 
57:36 – Traveling to Proxima Centauri 
1:00:52 – Starshade 
1:07:34 – Using the sun as a gravitational lens 
1:09:44 – Starshot 
1:12:45 – Rogue planets 
1:15:44 – The Smallest Lights in the Universe 
1:30:15 – Book recommendations 
1:37:48 – Advice for a young person 
1:39:29 – Meaning of life

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#116 – Sara Seager: Search for Planets and Life Outside Our Solar System

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