Artwork for Ask a Spaceman!

Ask a Spaceman!

Paul M. Sutter
Natural SciencesAstronomyScience

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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Latest Episodes

How are white holes different from black holes? What would happen if you were stuck inside of one? Why don’t they appear in the universe? I discuss these questions and more in today’s Ask a Spaceman! more

4 days ago

What is the combined motion of everything in the universe? How does all of that influence us? Are we just going around in circles, or is there something more? I discuss these questions and more in today’s Ask a Spaceman! more

18 days ago

What are some wild stories behind names in astronomy and physics? How did we get the jargon words that we did? What are some of the funniest names? I discuss these questions and more in today’s Ask a Spaceman! more

a month ago


4.8 out of 5 stars from 1.1k ratings
  • Great Show

    Very good down to earth presentation of complex ideas.

    Apple Podcasts
    United States2 months ago
  • One of THE best physics podcasts

    Paul’s enthusiasm is wonderful, but even more important is his ability to make complex facts and ideas from astrophysics (seem) clear and simple. One of my most favorite podcasts. I listen to every single one (and I am especially choosey, having my own podcast). I greatly recommend this podcast. — Dr Great Art

    Apple Podcasts
    Mark S B
    Switzerland2 months ago
  • One is the loneliest…

    Lively source of data (pun intended). Two more Spacemen and he could start a band. ;D

    Apple Podcasts
    United States2 months ago
  • Host’s commitment to science only goes so far

    The actual content of the show is very good and informative. I particularly enjoyed the lengthy series on quantum mechanics. However, I have to take some points off because while the host claims to be very supportive of and invested in empirical science, every episode, he talks about the benefits of BetterHelp, despite the fact that all of the empirical evidence available shows that people who use BetterHelp and similar services show no mental health improvements over those who don’t. (And it ce... more

    Apple Podcasts
    United States2 months ago
  • My favorite physics podcast. I've listened to many. Paul makes it easy to understand.

    Podcast Addict
    4 months ago

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Ask a Spaceman! launched 9 years ago and published 214 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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