AaS! 196: Could We Ever Build a Dyson Sphere?
Ask a Spaceman!21 Mar 2023

AaS! 196: Could We Ever Build a Dyson Sphere?

What are Dyson spheres? What would be involved in building one? How much energy would it cost, and could we ever pay it back? I discuss these questions and more in today's Ask a Spaceman!

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Thanks to Cathy Rinella for editing.

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

Episoder(272)

AaS! 17: What Banged the Big Bang?

AaS! 17: What Banged the Big Bang?

What's the history of the universe? What is the big bang? What came before? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episode...

6 Okt 201548min

AaS! 16: How Do Spiral Galaxies Form?

AaS! 16: How Do Spiral Galaxies Form?

How do spiral galaxies form? How do galaxies form in the first place, anyway? What's so special about spirals that make them look so cool? I discuss these questions and more in today's Ask a Spaceman!...

15 Sep 201535min

AaS! 15: Will We Colonize Mars?

AaS! 15: Will We Colonize Mars?

Will we ever actually colonize Mars? Why is it so hard to get to space? What are the challenges specific to Mars? I discuss these questions and more in today's Ask a Spaceman! Support the show: http:/...

1 Sep 201545min

AaS! 14: What is Spacetime? (Part 2)

AaS! 14: What is Spacetime? (Part 2)

How are space and time related? How long would it take to travel the Milky Way? What other tricks can you play with Special Relativity? I discuss these questions and more in today's Ask a Spaceman! Su...

18 Aug 201535min

AaS! 14: What Is Spacetime? (Part 1)

AaS! 14: What Is Spacetime? (Part 1)

What is spacetime? What was the breakthrough idea that led Einstein to develop Special Relativity? Who was right: Newton or Maxwell? I discuss these questions and more in today's Ask a Spaceman! Suppo...

4 Aug 201540min

AaS! 13: What the Heck Is a Magnetar?

AaS! 13: What the Heck Is a Magnetar?

What's the difference between a neutron star and a magnetar? How do you make a neutron star? How do they get so magnetic? I discuss these questions and more in today's Ask a Spaceman! Support the show...

21 Jul 201532min

AaS! 12: Is Life Possible Around Binary Stars?

AaS! 12: Is Life Possible Around Binary Stars?

Is Tatooine from Star Wars possible? What kind of binary stars are allowed? What would life be like around binary stars? I discuss these questions and more in today's Ask a Spaceman! Support the show:...

7 Jul 201534min

AaS! 11: What Do We Do in Space?

AaS! 11: What Do We Do in Space?

What kind of experiments do we do in space? Why do we even bother? Is there any benefit to having telescopes in orbit instead of on the ground? I discuss these questions and more in today's Ask a Spac...

16 Jun 201539min

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