AaS! 175: Should We Be Afraid of the Dipole Repeller?
Ask a Spaceman!3 Touko 2022

AaS! 175: Should We Be Afraid of the Dipole Repeller?

What is the dipole repeller? Why is it a dipole? What is it repelling? What is the Bootes Void and how is it connected to dark energy? I discuss these questions and more in today's Ask a Spaceman!

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Thanks to Cathy Rinella for editing.

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Hosted by Paul M. Sutter, astrophysicist and the one and only Agent to the Stars (http://www.pmsutter.com).

Jaksot(271)

AaS! 161: Is There a Crisis in Cosmology? RELOADED

AaS! 161: Is There a Crisis in Cosmology? RELOADED

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5 Loka 202140min

AaS! 160: What's the Best Way to Search for Life?

AaS! 160: What's the Best Way to Search for Life?

What kind of signals are we searching for from aliens? What are technosignatures and biosignatures? How are we looking for non-intelligent life? Is there any hope of finding life in our own solar syst...

21 Syys 202143min

AaS! 159: Why Should We Geek Out Over Maxwell?

AaS! 159: Why Should We Geek Out Over Maxwell?

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7 Syys 202140min

AaS! 158: What's So Groovy About Gravitational Waves? (Part 2)

AaS! 158: What's So Groovy About Gravitational Waves? (Part 2)

Part 2 of 2! How did the observation of a kilonova change astronomy? How did that one observation kill off alternate models of gravity? What's in store for the future of gravitational waves? I discuss...

17 Elo 202142min

AaS! 157: What's So Groovy About Gravitational Waves? (Part 1)

AaS! 157: What's So Groovy About Gravitational Waves? (Part 1)

Part 1! What are gravitational waves? What makes them? How can we detect them here on Earth, and why is it a big deal? I discuss these questions and more in today's Ask a Spaceman! Audio Credit: Calte...

3 Elo 202145min

AaS! 156: What are Asteroids Good For?

AaS! 156: What are Asteroids Good For?

What are the different kinds of asteroids? What are they made of? How can we send missions to capture them, and what will we do once we get one? I discuss these questions and more in today's Ask a Spa...

20 Heinä 202139min

AaS! 155: Who's Going To Clean Up All That Space Junk?

AaS! 155: Who's Going To Clean Up All That Space Junk?

How did so much junk get up in space? How can we clean it up? How is it making light pollution worse? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon...

6 Heinä 202138min

AaS! 154: Is There REALLY a Crisis in Cosmology?

AaS! 154: Is There REALLY a Crisis in Cosmology?

How do we measure the age of the universe? Why are different methods giving different results? How do we solve this problem? I discuss these questions and more in today's Ask a Spaceman! Support the s...

15 Kesä 202137min

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