AaS! 103: What's Wrong With the Cosmic Calendar?
What is the "cosmic calendar"? What are some important scales in the universe? Why is it so hard to judge "importance" of events? I discuss these questions and more in today's Ask a Spaceman! Support ...
7 Maj 201924min
AaS! 102: What Are the Mighty Clusters of Galaxies?
What are galaxy clusters made of, besides galaxies? How can we use them to understand dark matter? And how can we make pretend ones on a computer? I discuss these questions and more in today's Ask a S...
16 Apr 201932min
AaS! 101: What Is the Black Hole Information Paradox?
What is "information" in physics? Why do we think it's preserved, and what happens to information when it falls into a black hole? Why is this a problem? I discuss these questions and more in today's ...
2 Apr 201926min
AaS! 100: Why Avoid the Cosmic Voids?
How do cosmic voids form? What do they teach us about dark energy? What did the early universe look like? What does all this have to do with cupcakes? I discuss these questions and more in today's Ask...
19 Mars 201930min
AaS! 99: Do We Live in the Multiverse?
What's the difference between the universe and the multiverse? How can cosmic inflation make bubble universes? Do those universes get different physics? If I travel far enough away, will I meet…myself...
5 Mars 201935min
AaS! 98: Who's in Charge of the Quantum World?
How did Max Planck accidentally discover quantum mechanics? Why is his constant so special? What happens at the quantum level? I discuss these questions and more in today's Ask a Spaceman! Support the...
19 Feb 201926min
AaS! 97: What Makes the Strong Force So Strong?
Why is the strong force better known as the "color force"? What's the best way to think about protons and quarks? What do the Three Musketeers have to do with anything? I discuss these questions and m...
5 Feb 201925min
AaS! 96: Hey, Who Took All the Antimatter?
Why are matter and antimatter symmetric? What happened in the early universe to make matter win? Do we have any clue as to why? What do puppies have to do with it? I discuss these questions and more i...
15 Jan 201923min
