AaS! 245: What Made the Moon?
Why is the moon so special? Why do we think a giant impact created it? Why didn't the same thing happen to other planets? I discuss these questions and more in today's Ask a Spaceman! Support the show...
8 Huhti 202525min
AaS! 244: What's the Most Important Wavelength in All Astronomy?
What is 21-cm radiation? What (and who) produces it? What causes it, and what does it tell us about the universe? I discuss these questions and more in today's Ask a Spaceman! Support the show: http:/...
18 Maalis 202528min
AaS! 243: So Is the Warp Drive Legit or Not?
What is an Alcubierre warp drive? What would it take to make it work? Could it propel spacecraft even below the speed of light? I discuss these questions and more in today's Ask a Spaceman! Support th...
4 Maalis 202531min
AaS! 242: Are There Invisible Stars in the Universe?
What is an axion? How could axions make a star, and what does that have to do with dark matter? What would these stars look like? I discuss these questions and more in today's Ask a Spaceman! Support ...
18 Helmi 202535min
AaS! 241: Could We Travel to Parallel Universes?
Where do parallel universes exist? Could we use wormholes to travel to them? What does time travel have to do with all this? I discuss these questions and more in today's Ask a Spaceman! Support the s...
4 Helmi 202532min
AaS! 240: Does the Great Filter Explain Why We're Alone?
What is the Fermi Paradox? How rare is non-intelligent vs intelligent life? What are the challenges a species must overcome to colonize the galaxy? Where is everybody? I discuss these questions and mo...
21 Tammi 202526min
AaS! 239: What Are the Weirdest Hypothetical Particles?
Are dark photons as sinister as they sound? What did the curvaton do in the early universe? And is everything really made of preons? I discuss these questions and more in today's Ask a Spaceman! Suppo...
7 Tammi 202538min
AaS! 238: What Makes the Sun's Corona So Dang Hot?
How can the solar corona be hotter than the surface? What has the Parker Solar probe learned so far? What do magnetic fields have to do with all this? I discuss these questions and more in today's Ask...
17 Joulu 202433min
