AaS! 262: Does the Universe Have Extra Dimensions?

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

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

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

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

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

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

How does one become an astrophysicist? What are the challenges and rewards of that kind of career? Are there even any jobs? I discuss these questions and more in today's Ask a Spaceman! Support the sh...

3 Okt 201738min

Fraser Cain and I are leading another starry-eyed adventure, this time to the beautiful caribbean on a 7-day cruise, featuring tours of the Kennedy Space Center, star viewing every night, at-sea talks...

26 Sep 201711min