AaS! 198: What's So Weird About Black Hole Shadows?
How does a black hole make a shadow? What can we learn from it? What are we seeing when we look at a black hole? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://...
18 Huhti 202329min
AaS! 197: Which is Better, Human or Robotic Exploration?
What are the advantages of robotic exploration of the solar system? What are the limitations? Is there any situation where human exploration is better? I discuss these questions and more in today's As...
4 Huhti 202334min
AaS! 196: Could We Ever Build a Dyson Sphere?
What are Dyson spheres? What would be involved in building one? How much energy would it cost, and could we ever pay it back? I discuss these questions and more in today's Ask a Spaceman! Support the ...
21 Maalis 202337min
AaS! 195: How Cold Can Space Get?
What's the temperature of deep space? Can it get any colder than that? How do we even define temperature when there's nothing around? I discuss these questions and more in today's Ask a Spaceman! Supp...
7 Maalis 202328min
AaS! 194: Does the Universe Rotate?
How do we know that the universe doesn't rotate? Why would it matter if it did? What does all this have to do with time travel? I discuss these questions and more in today's Ask a Spaceman! Support th...
21 Helmi 202341min
AaS! 193: What are the Blue Stragglers?
What are blue straggler stars? How were they first discovered? What do they tell us about star clusters and the evolution of stars? I discuss these questions and more in today's Ask a Spaceman! Suppor...
7 Helmi 202335min
AaS! 192: Can Tachyons Exist?
Is it possible for anything to travel faster than light? What about tachyons? How would faster-than-light travel break causality? And just what the heck is causality, anyway? I discuss these questions...
17 Tammi 202338min
AaS! 191: What is the Meaning of Quantum Mechanics? (Part 9: Both/And)
Part 9! What is the role of consciousness in quantum mechanics, if there even is one? Is there any way at all to develop a coherent view of nature based on quantum mechanics? What are the ultimate les...
3 Tammi 202331min
