Alex Filippenko: Supernovae, Dark Energy, Aliens & the Expanding Universe | Lex Fridman Podcast #137
发布时间 2020-11-08 00:03:40 来源
摘要
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/
PODCAST INFO:
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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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