AaS! 259: Where Exactly is the Edge of the Un...

What really keeps the Sun shining? How long would it stay warm if fusion stopped? How long would it take before we noticed? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Wa ...  Show more

What are the weaknesses of inflation theory? How did the ekpyrotic theory attempt to improve it? How did it open up its own can of worms? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskAS ...  Show more

What is infinity? Neil deGrasse Tyson and comedian Negin Farsad explore whether we are in a finite universe, the issues with infinity, string theory, and more with theoretical physicist Stephon Alexander. 

<a href="https://startalkmedia.com/show/cosmic-queries-understand ...

Are we closer in size to an atom or the universe? Neil deGrasse Tyson and Paul Mecurio answer grab-bag questions about Hawking Radiation, power on the moon, and whether our universe is inside a black hole.

NOTE: StarTalk+ Patrons can listen to this entire episode commerc ...