AaS! 270: Is the Universe…Defective?
What did the universe do to make so many defects? What happens when they get trapped? And could they be hiding right in front of our noses? I discuss these questions and more in today's Ask a Spaceman...
21 Apr 28min
AaS! 269: Why Are Interstellar Objects So Weird?
What makes the interstellar comet 3I/Atlas so weird? Why are we finding so many interstellar visitors recently? How are they made, and where do they come from? I discuss these questions and more in to...
7 Apr 27min
AaS! 268: What are Little Red Dots?
What do we find when we push the James Webb Space Telescope to its limits? Are Little Red Dots newborn galaxies or old black holes? What are they teaching us about the early universe? I discuss these ...
17 Mar 32min
AaS! 267: Is the Universe Older than We Think?
How can anyone agree on the age of the universe? And how can we be so confident if it's all just a bunch of models? What if the universe is extra lumpy, does that change anything? I discuss these ques...
3 Mar 27min
AaS! 266: Is the Universe Made of Math?
Why is math so effective at describing the universe? What is reality is made of math? What does it mean for us to be conscious beings in a mathematical structure? I discuss these questions and more in...
17 Feb 31min
AaS! 265: Does Antimatter Fall Up?
What is the weak equivalency principle? How was antimatter discovered and why is it the perfect thing to put gravity to the test? What did the CERN experiment discover? I discuss these questions and m...
3 Feb 27min
AaS! 264: Just How Weird is the Quantum Eraser?
How does the double-slit experiment work? What does it teach us about reality and measurement if we try to mess with the experiment after it's already started? How does quantum complementarity guide u...
20 Jan 29min
AaS! 263: Does Free Will Exist?
What is causal determinism? What are some of the ways that physics can permit free will? What does emergence have to do with all of this? I discuss these questions and more in today's Ask a Spaceman! ...
6 Jan 30min
