Ask a Spaceman!
You've got questions and astrophysicist Paul Sutter has the answers - every episode you will come closer to COMPLETE KNOWLEDGE OF TIME AND SPACE!
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 velocity and group velocity, and how does that all play into this?
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?
What discoveries and insights made the biggest impacts in astronomy and physics? What were the biggest surprises? What results took the longest to achieve?
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?
What are the advantages of robotic exploration of the solar system? What are the limitations? Is there any situation where human exploration is better?
