Alex Filippenko: Supernovae, Dark Energy, Aliens & the Expanding Universe | Lex Fridman Podcast #137

Alex Filippenko is an astrophysicist and professor of astronomy at Berkeley. Please support this podcast by checking out our sponsors:
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EPISODE LINKS:
Alex’s Website: https://astro.berkeley.edu/people/alex-filippenko/

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Clips playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOeciFP3CBCIEElOJeitOr41

OUTLINE:
0:00 – Introduction
2:08 – Universe expansion
3:32 – Dark energy
11:00 – Scientific revolutions
22:50 – Asteroid hitting Earth
26:22 – Giant solar flares and the power grid
33:22 – Elon Musk and space exploration
38:13 – Exoplanets
45:35 – Traveling close to the speed of light
47:45 – Traveling faster than the speed of light
56:11 – Intelligent life in the universe
59:46 – Fermi Paradox
1:09:24 – Finding alien life would be bad news
1:14:20 – UFO sightings
1:27:30 – Universe expansion speed
1:32:14 – The universe is infinite
1:36:30 – What happened before the Big Bang?
1:40:46 – Roger Penrose
1:44:20 – Nobel Prize for the accelerating universe
2:05:55 – Supernova
2:17:19 – The greatest story ever told
2:21:16 – Richard Feynman
2:28:09 – Meaning of life

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Written by Lex Fridman