AaS! 109: What Are the Mysterious Cosmic Strings?
How do cracks appear in spacetime? What does it have to do with symmetry? Could we ever hope to find a cosmic string? I discuss these questions and more in today's Ask a Spaceman! Support the show: ht...
6 Aug 201928min
AaS! 108: What Do We Learn From Eclipses?
Why is it so hard to predict solar eclipses? How did Newton and Halley team up to solve it? What have we learned from solar eclipses since then? I discuss these questions and more in today's Ask a Spa...
16 Jul 201932min
AaS! 107: Is Interstellar Travel Possible?
How hard is interstellar travel? What are the possible ways to achieve the required energy? Is there anything at all feasible in the works? I discuss these questions and more in today's Ask a Spaceman...
2 Jul 201937min
AaS! 106: How Do We Measure the Expansion of the Universe?
What's the deal with redshift? How can we actually interpret velocities when it comes to cosmic expansion? And what's with the recent tension over measuring the expansion rate? I discuss these questio...
18 Jun 201936min
AaS! 105: Is Everything a Wave or a Particle, and Why Does My Head Hurt?
Is light made of waves or particles? Is matter made of waves or particles? What does it mean for matter to "wave", anyway? Why is this so hard to understand? I discuss these questions and more in toda...
4 Jun 201927min
AaS! 104: What Turned Venus Into Hell?
What's so bad about Venus, besides everything? How did it get so bad? And are we next? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter ...
21 Mai 201924min
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 Mai 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
