Hellow guys, Welcome to my website, and you are watching Alex Filippenko: Supernovae, Dark Energy, Aliens & the Expanding Universe | Lex Fridman Podcast #137. and this vIdeo is uploaded by Lex Fridman at 2020-11-07T16:03:40-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
