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

Alex Filippenko is an astrophysicist and professor of astronomy at Berkeley. Please support this podcast by checking out our sponsors:
Neuro: https://www.getneuro.com and use code LEX to get 15% off
BetterHelp: https://betterhelp.com/lex to get 10% off
MasterClass: https://masterclass.com/lex to get 15% off annual sub
Cash App: https://cash.app/ and use code LexPodcast to get $10

EPISODE LINKS:
Alex's Website: https://astro.berkeley.edu/people/ale...

PODCAST INFO:
Podcast website: https://lexfridman.com/podcast
Apple Podcasts: https://apple.co/2lwqZIr
Spotify: https://spoti.fi/2nEwCF8
RSS: https://lexfridman.com/feed/podcast/
Full episodes playlist:    • Lex Fridman Podcast  
Clips playlist:    • Lex Fridman Podcast Clips  

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

CONNECT:
Subscribe to this YouTube channel
Twitter:   / lexfridman  
LinkedIn:   / lexfridman  
Facebook:   / lexfridmanpage  
Instagram:   / lexfridman  
Medium:   / lexfridman  
Support on Patreon:   / lexfridman