#137 – Alex Filippenko: Supernovae, Dark Energy, Aliens & the Expanding Universe

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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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