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Paul M. Sutter

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Ask a Spaceman! Episode Archive


Ask a Spaceman!

You've got questions and astrophysicist Paul Sutter has the answers - every episode you will come closer to COMPLETE KNOWLEDGE OF TIME AND SPACE!

AaS! 223: Why is it So Hard to Return to the Moon?

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AaS! 223: Why is it So Hard to Return to the Moon?

May 7, 2024

If we went to the Moon already, why can’t we go back so easily? What technology have we lost? What are we trying to do differently?

1 Comment

AaS! 222: What is the Most Distant Thing We Can See?

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AaS! 222: What is the Most Distant Thing We Can See?

April 16, 2024

What’s the most distant thing we can see with the naked eye? What about with a telescope? What about at other wavelengths? Is there anything more to see?

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AaS! 221: Will Emergent Gravity Rewrite Physics?

3 Comments

AaS! 221: Will Emergent Gravity Rewrite Physics?

April 2, 2024

What is “emergence” in physics and why is it a big deal? What would it mean for gravity to be emergent? How would we have to rewrite the laws of physics?

3 Comments

AaS! 220: Will Our Universe End in a Big Rip?

1 Comment

AaS! 220: Will Our Universe End in a Big Rip?

March 19, 2024

How can a “big rip” tear the universe apart? What does that mean for existence itself? Is it going to happen, and what are we doing to find out?

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AaS! 219: What's the Best Way to Defend Our Planet?

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AaS! 219: What's the Best Way to Defend Our Planet?

March 5, 2024

How do we track dangerous asteroids? What can impacts do to us? What do we plan to do if The Big One is headed for us? Is Armageddon a documentary?

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