
Alex Filippenko: Supernovae, Dark Energy, Aliens & the Expanding Universe | Lex Fridman Podcast #137
The universe is expanding at an accelerating rate due to dark energy, a discovery that earned the 2011 Nobel Prize in Physics

1 episode on Lex Fridman Podcast
Alex Filippenko is an astrophysicist and professor of astronomy at UC Berkeley. He is a leading expert on supernovae and dark energy, and has contributed significantly to our understanding of the expanding universe and its acceleration.