AaS! 175: Should We Be Afraid of the Dipole Repeller?
Ask a Spaceman!3 Maj 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).

Avsnitt(272)

AaS! 115: Is String Theory Worth It? (Part 1: Unify This!)

AaS! 115: Is String Theory Worth It? (Part 1: Unify This!)

How did String Theory get started? What has made the idea so popular over the decades? Can we ever truly have a theory of quantum gravity? What is supersymmetry, the landscape, and the AdS/CFT Corresp...

5 Nov 201949min

AaS! 114: How Did Spectroscopy Revolutionize Astronomy?

AaS! 114: How Did Spectroscopy Revolutionize Astronomy?

How did chemists save astronomy? What's so important about the spectrum, and how are they made? How can we tell what things in space are made out of? I discuss these questions and more in today's Ask...

15 Okt 201931min

AaS! 113: Is the James Webb Space Telescope Worth the Wait?

AaS! 113: Is the James Webb Space Telescope Worth the Wait?

Why is infrared astronomy so hard? How do we fit giant telescopes into tiny rockets? What will the James Webb uncover? I discuss these questions and more in today's Ask a Spaceman! Support the show: ...

1 Okt 201936min

AaS! 112: Why Can't I Quantum Tunnel Myself?

AaS! 112: Why Can't I Quantum Tunnel Myself?

Where does the quantum world begin? Why do we have a hard time fundamentally understanding quantum systems? What connects quantum and classical physics? I discuss these questions and more in today's ...

17 Sep 201939min

AaS! 111: What's It Like to Fall Into a Black Hole? (Redux)

AaS! 111: What's It Like to Fall Into a Black Hole? (Redux)

What's it like to fall into a black hole (again)? What does the outside universe look like? Is there any way to avoid your grisly fate at the singularity? I discuss these questions and more in today's...

3 Sep 201941min

AaS! 110: Is the Universe Really Predictable?

AaS! 110: Is the Universe Really Predictable?

What is chaos theory? How can something be both deterministic and unpredictable? Is there are hope at all for physics? I discuss these questions and more in today's Ask a Spaceman! Support the show: h...

20 Aug 201925min

AaS! 109: What Are the Mysterious Cosmic Strings?

AaS! 109: What Are the Mysterious Cosmic Strings?

How do cracks appear in spacetime? What does it have to do with symmetry? Could we ever hope to find a cosmic string? I discuss these questions and more in today's Ask a Spaceman! Support the show: ht...

6 Aug 201928min

AaS! 108: What Do We Learn From Eclipses?

AaS! 108: What Do We Learn From Eclipses?

Why is it so hard to predict solar eclipses? How did Newton and Halley team up to solve it? What have we learned from solar eclipses since then? I discuss these questions and more in today's Ask a Spa...

16 Juli 201932min

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