AaS! 72: How Does Gravity Make a Lens?
How does gravity bend the path of light? Does it seriously act like a lens or is that just a metaphor? What does it take, and how do we know? What can we learn from this strange physics? I discuss the...
16 Jan 201834min
AaS! 71: Who Lives in the Particle Zoo?
What strange creatures inhabit the so-called "particle zoo"? Why is it a zoo instead of something simpler? Is there anything that connects the forces and particles of our universe? I discuss these qu...
2 Jan 201832min
AaS! 70: Can We Have Some Quark Stars, Please?
How does degeneracy pressure work? What kinds of particles exist below the level of neutrons? Can they hold up a star against gravity? I discuss these questions and more in today's Ask a Spaceman! Su...
19 Dec 201739min
AstroTour: Atacama Dark Sky Retreat
Join me for an all new AstroTour adventure, one that I'm personally very excited about: a trip to the Atacama Desert of Chile to spend a week at an all-inclusive stargazing resort! The trip is perfect...
8 Dec 20179min
AaS! 69: What Makes a Blazar Blaze So Brightly?
What powers a quasar? Just how strong is a blazar? What's the connection to giant black holes? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/p...
5 Dec 201729min
AaS! 68: Do We Live in a Hologram?
What's the idea behind the holographic principle? What does it have to do with black holes and the early universe? Does this…mean something? I discuss these questions and more in today's Ask a Spacem...
21 Nov 201726min
AaS! 67: Why Can't I Be an Astrophysicist?
Why is it tough to become a scientific researcher? What are some of the barriers in the field? Are there any other options? I have a PhD - now what? I discuss these questions and more in today's Ask a...
7 Nov 201733min
AaS! 66: What in the World Is Metallic Hydrogen?
What in the world is metallic hydrogen? What does it even mean? Where does it exist in nature, and can we make it in the lab? I discuss these questions and more in today's Ask a Spaceman! Support the ...
17 Okt 201730min
