AaS! 169: What Is Loop Quantum Gravity?

What is spacetime? What was the breakthrough idea that led Einstein to develop Special Relativity? Who was right: Newton or Maxwell? I discuss these questions and more in today's Ask a Spaceman! Suppo...

4 Aug 201540min

What's the difference between a neutron star and a magnetar? How do you make a neutron star? How do they get so magnetic? I discuss these questions and more in today's Ask a Spaceman! Support the show...

21 Juli 201532min

Is Tatooine from Star Wars possible? What kind of binary stars are allowed? What would life be like around binary stars? I discuss these questions and more in today's Ask a Spaceman! Support the show:...

7 Juli 201534min

What kind of experiments do we do in space? Why do we even bother? Is there any benefit to having telescopes in orbit instead of on the ground? I discuss these questions and more in today's Ask a Spac...

16 Juni 201539min

How do black holes form? Why are there only two sizes (Small and Big Gulp)? How do we know black holes exist, and what purpose do they serve in the universe? I discuss these questions and more in toda...

2 Juni 201540min

How big is the universe? What's outside the universe, and what are we expanding into? Can it even be put into words? I discuss these questions and more in today's Ask a Spaceman! Support the show: htt...

19 Maj 201539min

What are the chances of a comet hitting the earth? What other stuff can fall from space? What would the effects be, and how much do we need to worry? I discuss these questions and more in today's Ask ...

5 Maj 201538min

How do we know that dark matter exists? Are you sure that scientists aren't just making things up because they're lazy? What makes it dark anyway? I discuss these questions and more in today's Ask a S...

21 Apr 201529min