AaS! 276: What Would Happen if the Sun…Stopped?

Ask a Spaceman! by Paul M. Sutter

Jul 21, 202626:57Science & Medicine

What really keeps the Sun shining? How long would it stay warm if fusion stopped? How long would it take before we noticed? I discuss these questions and more in today's Ask a Spaceman! Support the show: All episodes: Wa...

Related Episodes

Continue listening to more episodes from Ask a Spaceman!.

AaS! 280: Wait So We Can Steal Energy from Black Holes?

Sep 22, 2026 - 27:15

What is frame dragging? How do we measure it? And how can we turn this into a method for extracting energ...

AaS! 279: What Can We Actually Find on an Exoplanet?

Sep 8, 2026 - 29:17

Just how hard are exoplanets observations? What kind of telescope will it take to find life? And how much...

AaS! 278: What's A Good Story About Chandrasekhar?

Aug 18, 2026 - 36:19

What was the big deal about Chandrasekhar's discovery? Why did he meet so much resistance? How is his wor...

AaS! 277: What's It Like to Travel Near the Speed of Light?

Aug 4, 2026 - 23:21

What does high-speed motion through the universe do to your perspective? What is the Rindler horizon, and...

AaS! 275: Why Can't the Universe Be Cyclic?

Jul 7, 2026 - 31:56

What are the weaknesses of inflation theory? How did the ekpyrotic theory attempt to improve it? How did...

AaS! 274: Is Dust the Best Thing in the Universe?

Jun 23, 2026 - 26:54

Why is dust so annoying? But where does it come from, and what can it do? And is dust responsible for the...

AaS! 273: What if the Universe Had No Beginning?

Jun 9, 2026 - 30:18

What does is mean for the universe to have a wave function? How does Hawking's "no boundary" proposal mea...

AaS! 272: Are Neutrinos Their Own Evil Twins?

May 19, 2026 - 34:30

What does "antimatter" actually mean? Can a particle be its own opposite? What would happen to it, and wh...