Alex Filippenko: Supernovae, Dark Energy, Aliens & the Expanding Universe | Lex Fridman Podcast #137
Lex Fridman
In this episode of the Lex Fridman Podcast, astrophysicist Alex Filippenko joins to discuss cosmology, dark energy, and the search for extraterrestrial life. A key topic is the fate of the universe: while matter density suggests an eternal expansion, observations indicate that "dark energy" is accel …