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

Episoder(272)

AaS! 186: What is the Meaning of Quantum Mechanics? (Part 4: It's a Quantum, Quantum, Quantum World)

AaS! 186: What is the Meaning of Quantum Mechanics? (Part 4: It's a Quantum, Quantum, Quantum World)

Part 4! What are the basic lessons of quantum mechanics? What does quantum mechanics teach us about the nature of reality? How does a quantum worldview differ from a classical one? I discuss these que...

18 Okt 202227min

AaS! 185: What is the Meaning of Quantum Mechanics? (Part 3: There and Back Again)

AaS! 185: What is the Meaning of Quantum Mechanics? (Part 3: There and Back Again)

Part 3! Who developed quantum theory and why? What experiments motivated the creation of quantum mechanics? How was quantum mechanics a total break from classical physics? I discuss these questions an...

4 Okt 202245min

AaS! 184: What is the Meaning of Quantum Mechanics? (Part 2: Quantum Mechanics 102)

AaS! 184: What is the Meaning of Quantum Mechanics? (Part 2: Quantum Mechanics 102)

Part 2! How do physicists understand quantum mechanics? What are the postulates and principles of quantum mechanics? How do the foundations of quantum mechanics compare to other theories? I discuss th...

20 Sep 202241min

AaS! 183: What is the Meaning of Quantum Mechanics? (Part 1: This Way to the Weird)

AaS! 183: What is the Meaning of Quantum Mechanics? (Part 1: This Way to the Weird)

Part 1! Where does quantum theory fit in the larger tapestry of physics? What is the domain of quantum mechanics? And most importantly, what are the limits of quantum physics? I discuss these question...

6 Sep 202237min

AaS! 182: Wait, Super-Atoms are a Real Thing?

AaS! 182: Wait, Super-Atoms are a Real Thing?

How do you make a super-atom? What can they be used for? What does this mean for quantum mechanics? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.c...

16 Aug 202237min

AaS! 181: What is the Principle of Least Action?

AaS! 181: What is the Principle of Least Action?

What makes the principle of least action so important? Who came up with it? Is it all just a bunch of math or does it actually mean something? I discuss these questions and more in today's Ask a Space...

2 Aug 202236min

AaS! 180: How Does Pulsar Timing Work?

AaS! 180: How Does Pulsar Timing Work?

What is a pulsar? How can we use them to map gravitational waves? What kind of technology does it take? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patre...

19 Jul 202233min

AaS! 179: What are the Alternatives to Dark Matter?

AaS! 179: What are the Alternatives to Dark Matter?

What are some of the problems with dark matter? What about modified gravity? Are there any other solutions? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.p...

5 Jul 202244min

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