AaS! 238: What Makes the Sun's Corona So Dang Hot?

Is there more to say about the "crisis in cosmology"? What are the fundamental disagreements? Is there any way out of this mess? Why am I talking about it again? I discuss these questions and more in ...

5 Loka 202140min

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

Why is James Clerk Maxwell so dang awesome? How was he able to unify the forces of electricity and magnetism? Why was his work so revolutionary? I discuss these questions and more in today's Ask a Spa...

7 Syys 202140min

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

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

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

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

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