Ask a Spaceman!2 Jul 2019

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!

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Big thanks to my top Patreon supporters this month: Matthew K, Helge B, Justin Z, Matt W, Justin G, Kevin O, Duncan M, Corey D, Kirk B, Barbara K, Neuterdude, Chris C, Robert M, Nate H, Andrew F, Chris L, Jon, Elizabeth W, George, Cameron L, John, Tim R, Neil L, Joe R, Neil P, Gabriella G, Tom S, Bryan D, Irene P, Dustin R, Matt C, Iothian53, Steve P, Debra S, Ken L, Alberto M, Ron W, Chris L, Mark R, Alan B, Stephen J, David P, John F, Maureen R, Frank T, Craig B, Jesse A, Ron S, Steven L, Ulfert B, Dave L, Stace J, S Stark, Richard K, Vladimir Z, Carol S, Stephen M, Grace M, Jeremy K, Russell W, David B, Tamara F, Robert B, Fr Bruce W, Catherine R, Nicolai B, Sean M, Nate H, Edward K, Ped, and David A!

Music by Jason Grady and Nick Bain. Thanks to Cathy Rinella for editing.

Hosted by Paul M. Sutter, astrophysicist at The Ohio State University, and the one and only Agent to the Stars (http://www.pmsutter.com).

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Episoder(280)

AaS! 274: Is Dust the Best Thing in the Universe?

Why is dust so annoying? But where does it come from, and what can it do? And is dust responsible for the creation of life? I discuss these questions and more in today's Ask a Spaceman! Support the sh...

23 Jun 26min

AaS! 273: What if the Universe Had No Beginning?

What does is mean for the universe to have a wave function? How does Hawking's "no boundary" proposal mean that the universe comes from itself? And is it really the final answer? I discuss these quest...

9 Jun 30min

AaS! 272: Are Neutrinos Their Own Evil Twins?

What does "antimatter" actually mean? Can a particle be its own opposite? What would happen to it, and what does this have to do with a missing scientist? I discuss these questions and more in today's...

19 Mai 34min

AaS! 271: What Happens When Light Goes Boom?

How can matter ever go faster than light? What happens when it does? Who discovered this, and what is it good for? I discuss these questions and more in today's Ask a Spaceman! Support the show: http:...

5 Mai 21min

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