AaS! 201: How Does Light Slow Down?
If light always travels at the speed of light, how does it slow down when passing through air or water? Does it matter if light is made of particles or waves? What's the difference between phase veloc...
6 Kesä 202338min
AaS! 200: What are the Top 5 Mysteries in Astronomy?
What are the biggest mysteries facing modern astronomers? What questions do I wish could be answered in my lifetime? What are most astronomers working on right now? I discuss these questions and more ...
16 Touko 202333min
AaS! 199: What are the Top 5 Discoveries of All Time in Astronomy?
What discoveries and insights made the biggest impacts in astronomy and physics? What were the biggest surprises? What results took the longest to achieve? I discuss these questions and more in today'...
2 Touko 202341min
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
