Gesamtlänge aller Episoden: 5 days 14 hours 56 minutes
Why are small stars red? Why are small stars so common? Why are small stars so interesting for the hunt for life? I discuss these questions and more in today’s Ask a Spaceman! Support the show: All episodes: Follow on Twitter: Like on Facebook:...
What did Hubble really discover? Why does redshift imply an expanding universe? Why is the night sky dark? Why is there so much hydrogen, and how is that connected to the Big Bang? I discuss these questions and more in today’s Ask a Spaceman!...
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 these questions and more in today’s Ask a Spaceman!...
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 questions and more in today’s Ask a...
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! Support the show: All episodes: Follow on...
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 perfectly timed to hit the Geminid meteor shower, explore...
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: All episodes: Follow on Twitter: Like on Facebook: Watch on...
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 Spaceman! Support the show: All episodes: ...
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 Spaceman! Support the show: All episodes: ...
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 show: http://www.patreon.com/pmsutter All...