Cosmic Quandaries with Dr. Neil deGrasse Tyson
54:58
Neil deGrasse Tyson & Janna Levin Answer Mind-Blowing Fan Questions
1:33:52
A Conversation with Astrophysicist J. Richard Gott III
35:21
Entrevista a Lem James NECESITA TÍTULO Y PULGAR
1:11:37
Professor Brian Cox: How To Find Your Place In The Universe
1:40:17
Neil DeGrasse Tyson: Blackholes and Other Cosmic Quandaries
42:14
Michio Kaku: The Universe in a Nutshell (Full Presentation) | Big Think
1:28:27
SciCafe: Life the Universe and Everything with Neil deGrasse Tyson
1:09:26