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AaS! 253: What Does Outer Space Sound Like?
What would the Sun sound like if we could hear it? Does any noise at all happen in the universe? What's the biggest sound of all? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutte
AaS! 252: Why Can't We Get Free Energy from the Vacuum?
Why does the vacuum of spacetime have energy? How much energy does it have? What prevents us from using it to do anything useful? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutte
AaS! 251: Are the Cosmic Voids Really Empty?
How do we actually define voids? Are there regions within them that are truly empty? What would it be like to be inside one? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All
AaS! 250: Where Do the Constants of Nature Come From? Part 2
Part 2 of 2! What are the modern constants of nature? Is the universe fine-tuned for life? Does the multiverse or string theory explain the origins of the constants? I discuss these questions and more in today's Ask a Spaceman! Support the
AaS! 249: Where Do the Constants of Nature Come From? Part 1
Part 1 of 2! How do fundamental constants appear in physics? Why are they so important? Why do we care where they come from? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All
AaS! 248: What's Going on Inside Neutron Stars?
What's inside a neutron star? What strange states of matter do we encounter? And what mysteries will we find deep in the core? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter A
AaS! 247: How Can We Get Giant Black Holes in the Early Universe?
How do we explain the giant black holes appearing in the young universe? Is it possible to directly collapse a black hole, skipping the formation of stars? What does ultraviolet radiation have to do with this? I discuss these questions and
AaS! 246: What is Stephen Hawking's Legacy?
How do you measure the impact of a scientist? Does Stephen Hawking compare to Newton or Einstein? What were his contributions to black holes, the big bang, and quantum gravity? I discuss these questions and more in today's Ask a Spaceman! S
AaS! 245: What Made the Moon?
Why is the moon so special? Why do we think a giant impact created it? Why didn't the same thing happen to other planets? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All ep
AaS! 244: What's the Most Important Wavelength in All Astronomy?
What is 21-cm radiation? What (and who) produces it? What causes it, and what does it tell us about the universe? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes:
AaS! 243: So Is the Warp Drive Legit or Not?
What is an Alcubierre warp drive? What would it take to make it work? Could it propel spacecraft even below the speed of light? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter
AaS! 242: Are There Invisible Stars in the Universe?
What is an axion? How could axions make a star, and what does that have to do with dark matter? What would these stars look like? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutte
AaS! 241: Could We Travel to Parallel Universes?
Where do parallel universes exist? Could we use wormholes to travel to them? What does time travel have to do with all this? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All
AaS! 240: Does the Great Filter Explain Why We're Alone?
What is the Fermi Paradox? How rare is non-intelligent vs intelligent life? What are the challenges a species must overcome to colonize the galaxy? Where is everybody? I discuss these questions and more in today's Ask a Spaceman! Support th
AaS! 239: What Are the Weirdest Hypothetical Particles?
Are dark photons as sinister as they sound? What did the curvaton do in the early universe? And is everything really made of preons? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsu
AaS! 238: What Makes the Sun's Corona So Dang Hot?
How can the solar corona be hotter than the surface? What has the Parker Solar probe learned so far? What do magnetic fields have to do with all this? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://ww
AaS! 237: Could Any Supernova Harm the Earth?
Are we "in range" of any potential supernovae? Has the Earth ever been hit in the past? And what about gamma-ray bursts from across the galaxy, are we safe from those? I discuss these questions and more in today's Ask a Spaceman! Support th
AaS! 236: How Exactly Do Black Holes Merge?
How do black holes get close enough to merge? What causes them to emit gravitational waves, and where do the waves come from? What does the merger process look like? I discuss these questions and more in today's Ask a Spaceman! Support the
AaS! 235: Is it Time to Redefine the Planet?
How did Pluto get demoted? What makes a planet a planet anyway? Why do we now have so many different kinds of planets, and should we make things simpler? I discuss these questions and more in today's Ask a Spaceman! Support the show: http:/
AaS! 234: How Could We Turn the Sun into a Telescope?
How do gravitational lenses work? Where would a spacecraft need to be to use the Sun's gravity as a telescope? What could we learn about exoplanets with this on weird trick? I discuss these questions and more in today's Ask a Spaceman! Supp
AaS! 233: Why Do We Care About Methane on Mars?
What's behind the Martian Methane Mystery? Is it a sign of life, or just some strange chemical process? Or are we just fooling ourselves? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com
AaS! 232: Is Space Tourism a Good Idea?
Why are private space companies pushing tourism? Is there a future for tourism in space? Is this an overall good thing for space exploration, or just a distraction? I discuss these questions and more in today's Ask a Spaceman! Support the s
AaS! 231: What Made the Local Bubble?
Where do we live within the galaxy? What shapes the local bubble? How long will we be inside it? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASp
AaS! 230: Is the Universe Making Any New Galaxies?
How do galaxies form and evolve? Is the universe still making new ones? What will happen to the current galaxies in the universe? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutte
AaS! 229: Is the James Webb Breaking Cosmology?
What has the James Webb Space Telescope learned so far? Is it finding galaxies that "break" cosmology? What will we learn next? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter
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 episodes: http://www.AskASpaceman.com Wa
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.patreon.com/pmsutter All episodes: http://w
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 and more in today's Ask a Spaceman! Sup
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 today's Ask a Spaceman! Support the show: h
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 the show: http://www.patreon.com/pmsutte
