#137 – Alex Filippenko: Supernovae, Dark Energy, Aliens & the Expanding Universe
发布时间 2020-11-08 00:02:56 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:
Podcast website: https://lexfridman.com/podcast
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SUPPORT & CONNECT:
- Check out the sponsors above, it's the best way to support this podcast
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- Medium: https://medium.com/@lexfridman
OUTLINE:
Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time.
(00:00) - Introduction
(06:36) - Universe expansion
(08:00) - Dark energy
(15:28) - Scientific revolutions
(27:18) - Asteroid hitting Earth
(30:50) - Giant solar flares and the power grid
(37:50) - Elon Musk and space exploration
(42:41) - Exoplanets
(50:03) - Traveling close to the speed of light
(52:13) - Traveling faster than the speed of light
(1:00:39) - Intelligent life in the universe
(1:04:14) - Fermi Paradox
(1:13:52) - Finding alien life would be bad news
(1:18:49) - UFO sightings
(1:31:58) - Universe expansion speed
(1:36:42) - The universe is infinite
(1:40:58) - What happened before the Big Bang?
(1:45:14) - Roger Penrose
(1:48:48) - Nobel Prize for the accelerating universe
(2:10:23) - Supernova
(2:21:47) - The greatest story ever told
(2:25:44) - Richard Feynman
(2:32:37) - Meaning of life
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