AaS! 228: Can a Galaxy Be Destroyed?
Can galaxies ever get destroyed? What happens to their stars? Do galaxies ever die? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All...
16 Heinä 202430min
AaS! 227: Where is the Center of the Universe?
What does it mean for the universe to have a center? Could we ever travel to ours? What is a singularity? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.pat...
2 Heinä 202435min
AaS! 226: Does the Universe Get Shorter When You Go Faster?
How does length contraction work in relativity? Do moving objects really get shorter? What about from their perspective? How are we supposed to make sense of any measurement? I discuss these questions...
18 Kesä 202436min
AaS! 225: What is the Cosmic Flaw That Shouldn't Exist?
What is the "cold spot" on the cosmic microwave background? Why shouldn't it exist? What are some possible explanations for it, and why are they unsatisfying? I discuss these questions and more in tod...
4 Kesä 202440min
AaS! 224: Can Life Survive on Locked Planets?
How do planets get tidally locked? What are these systems typically like? Can life find a home in such a challenging environment? I discuss these questions and more in today's Ask a Spaceman! Support ...
21 Touko 202436min
AaS! 223: Why is it So Hard to Return to the Moon?
If we went to the Moon already, why can't we go back so easily? What technology have we lost? What are we trying to do differently? I discuss these questions and more in today's Ask a Spaceman! Suppor...
7 Touko 202433min
AaS! 222: What is the Most Distant Thing We Can See?
What's the most distant thing we can see with the naked eye? What about with a telescope? What about at other wavelengths? Is there anything more to see? I discuss these questions and more in today's ...
16 Huhti 202434min
AaS! 221: Will Emergent Gravity Rewrite Physics?
What is "emergence" in physics and why is it a big deal? What would it mean for gravity to be emergent? How would we have to rewrite the laws of physics? I discuss these questions and more in today's ...
2 Huhti 202434min
