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!

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AaS! 149: Is the Universe a...


Is our universe a fractal? How do we test this? Are there any places in the universe that look like fractals? I discuss these questions and more in today’s Ask a Spaceman!

Ask a Spaceman! episodes: