Ask a Spaceman!

By Paul M. Sutter

What's Ask a Spaceman! about?

What would happen if you fell into a black hole? How big is the universe? Just what the heck is a quasar, anyway?

You've got questions, and astrophysicist Paul Sutter has the answers! Submit questions via Twitter using #AskASpaceman or post to Every week you will come closer to COMPLETE KNOWLEDGE OF TIME AND SPACE!

452 ratings

Download our free app to listen on your phone


AaS! 162: What the Heck are...


What are the different kinds of gamma ray bursts? What powers them? What do we still have to understand about them? I discuss these questions and more in today’s Ask a Spaceman!

Ask a Spaceman! episodes: