AaS! 37: What is the Cosmic Microwave Background (Part 2)?

How do black holes get close enough to merge? What causes them to emit gravitational waves, and where do the waves come from? What does the merger process look like? I discuss these questions and more...

19 Nov 202433min

How did Pluto get demoted? What makes a planet a planet anyway? Why do we now have so many different kinds of planets, and should we make things simpler? I discuss these questions and more in today's ...

5 Nov 202436min

How do gravitational lenses work? Where would a spacecraft need to be to use the Sun's gravity as a telescope? What could we learn about exoplanets with this on weird trick? I discuss these questions ...

15 Okt 202433min

What's behind the Martian Methane Mystery? Is it a sign of life, or just some strange chemical process? Or are we just fooling ourselves? I discuss these questions and more in today's Ask a Spaceman! ...

1 Okt 202432min

Why are private space companies pushing tourism? Is there a future for tourism in space? Is this an overall good thing for space exploration, or just a distraction? I discuss these questions and more ...

17 Sep 202430min

Where do we live within the galaxy? What shapes the local bubble? How long will we be inside it? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/...

3 Sep 202429min

How do galaxies form and evolve? Is the universe still making new ones? What will happen to the current galaxies in the universe? I discuss these questions and more in today's Ask a Spaceman! Support ...

20 Aug 202426min

What has the James Webb Space Telescope learned so far? Is it finding galaxies that "break" cosmology? What will we learn next? I discuss these questions and more in today's Ask a Spaceman! Support th...

6 Aug 202435min