Oct 20, 202621 min
How does the vacuum interact with light? Is it possible to use light to create something from nothing? And is "birefringence" a real word? I discuss these questions and more in today's Ask a Spaceman! Support the show...
About this Podcast:
You've got questions and astrophysicist Paul M. Sutter has answers - every episode you will come closer to complete knowledge of time and space!
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Contact path
Verified email
Booking probability
37%
Guest openness
Selective
80/100
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What is Ask a Spaceman! about?
You've got questions and astrophysicist Paul M. Sutter has answers - every episode you will come closer to complete knowledge of time and space!
Who hosts Ask a Spaceman!?
Ask a Spaceman! is hosted by Paul M. Sutter. The show has published 288 episodes to date.
What has Ask a Spaceman! covered recently?
Recent episodes include "AaS! 282: What Happens When You Shine a Light on Nothing?" (20 October 2026, 21 minutes), "AaS! 281: What Makes the Scattered Disk So Wild?" (6 October 2026, 27 minutes), and "AaS! 280: Wait So We Can Steal Energy from Black Holes?" (22 September 2026, 27 minutes).
How often does Ask a Spaceman! publish?
Ask a Spaceman! publishes roughly every two weeks, with episodes averaging 29 minutes across 288 episodes.
How hard is it to get booked on Ask a Spaceman!?
Booking probability for Ask a Spaceman! is 37%, and the host is rated Selective on guests. Ask a Spaceman! requires a Pod Score of 80 or higher. Ask a Spaceman!'s contact route on record: verified email.
Who should pitch Ask a Spaceman!?
The strongest fits for Ask a Spaceman! are Scientific Research & Development. Ask a Spaceman! has a science audience.
About the host
Paul M. Sutter hosts Ask a Spaceman!, a science podcast with 288 episodes published.
Verified host email: ████████@████.comSign in to unlock →
Recent episodes
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Episode #281
AaS! 281: What Makes the Scattered Disk So Wild?
Oct 6, 202627 minHow did the scattered disk of the solar system form? What kins of strange objects roam those badlands? And what does it do to the rest of the solar system? I discuss these questions and more in today's Ask a Spaceman...
Sep 22, 202627 minWhat is frame dragging? How do we measure it? And how can we turn this into a method for extracting energy from rotating black holes? I discuss these questions and more in today's Ask a Spaceman! Support the show...
Sep 8, 202629 minJust how hard are exoplanets observations? What kind of telescope will it take to find life? And how much information can we get out of a single pixel of light? I discuss these questions and more in today's Ask a...
Aug 18, 202636 minWhat was the big deal about Chandrasekhar's discovery? Why did he meet so much resistance? How is his work tied to everything from supernovae to black holes? I discuss these questions and more in today's Ask a Spaceman...
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Aug 4, 202623 minWhat does high-speed motion through the universe do to your perspective? What is the Rindler horizon, and how does it appear? Would you get vaporized by a high-energy bath of radiation? I discuss these questions and...
Episode #276
AaS! 276: What Would Happen if the Sun…Stopped?
Jul 21, 202627 minWhat really keeps the Sun shining? How long would it stay warm if fusion stopped? How long would it take before we noticed? I discuss these questions and more in today's Ask a Spaceman! Support the show...
Episode #275
AaS! 275: Why Can't the Universe Be Cyclic?
Jul 7, 202632 minWhat are the weaknesses of inflation theory? How did the ekpyrotic theory attempt to improve it? How did it open up its own can of worms? I discuss these questions and more in today's Ask a Spaceman! Support the show...
Jun 23, 202627 minWhy 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 show...
Episode #273
AaS! 273: What if the Universe Had No Beginning?
Jun 9, 202630 minWhat 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 questions and more in...
Episode #272
AaS! 272: Are Neutrinos Their Own Evil Twins?
May 19, 202635 minWhat 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 Ask a Spaceman...
Episode #271
AaS! 271: What Happens When Light Goes Boom?
May 5, 202622 minHow 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...
Episode #270
AaS! 270: Is the Universe…Defective?
Apr 21, 202629 minWhat 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! Support the show...
Episode #269
AaS! 269: Why Are Interstellar Objects So Weird?
Apr 7, 202627 minWhat 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 today's Ask a...
Episode #268
AaS! 268: What are Little Red Dots?
Mar 17, 202632 minWhat 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 questions and more...
Episode #267
AaS! 267: Is the Universe Older than We Think?
Mar 3, 202628 minHow 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 questions and more in...
Episode #266
AaS! 266: Is the Universe Made of Math?
Feb 17, 202631 minWhy 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 today's Ask a...
Episode #265
AaS! 265: Does Antimatter Fall Up?
Feb 3, 202628 minWhat 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 more in today's Ask...
Episode #264
AaS! 264: Just How Weird is the Quantum Eraser?
Jan 20, 202630 minHow 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 us with how to think...
Episode #263
AaS! 263: Does Free Will Exist?
Jan 6, 202630 minWhat 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! Support the show...
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