AaS! 265: Does Antimatter Fall Up?

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 more in today's Ask a Spaceman!

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Hosted by Paul M. Sutter.

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Update and Space Radio Preview

Update and Space Radio Preview

A quick update on Patreon, Astrotours, and a preview of the new Space Radio show! Space Radio: http://www.SpaceRadioShow.com Support the show: http://www.patreon.com/pmsutter All episodes: http://www...

8 Elo 201726min

AaS! 61: Where Do Giant Magnetic Fields Come From?

AaS! 61: Where Do Giant Magnetic Fields Come From?

How does the universe generate giant magnetic fields? Is it astrophysical or primordial? How do we find them anyway? Why am I not talking about Maxwell? I discuss these questions and more in today's A...

1 Elo 201729min

AaS! 60: What's the Deal With Time Crystals?

AaS! 60: What's the Deal With Time Crystals?

What's the deal with time crystals? Do they break physics as we know it? Or are they merely…neat? What do symmetries and the conservation of energy have to do with it? I discuss these questions and mo...

18 Heinä 201734min

AaS! 59: Do Black Holes Exist?

AaS! 59: Do Black Holes Exist?

Do black holes exist, or are they merely theoretical constructs? What's the evidence? And what about the singularity, surely that doesn't happen, right? I discuss these questions and more in today's A...

4 Heinä 201729min

AaS! 58: Is Time Travel Possible?

AaS! 58: Is Time Travel Possible?

Does everyone have the same clock? Can we skip forward into the future? What about the past? Why does it appear to be forbidden in our universe? I discuss these questions and more in today's Ask a Spa...

20 Kesä 201720min

AaS! 57: What's the Matter With Dark Matter?

AaS! 57: What's the Matter With Dark Matter?

How is the bullet cluster the "smoking gun" for dark matter? Why aren't alternate theories of gravity satisfactory? Could dark matter just be a bunch of black holes? I discuss these questions and more...

6 Kesä 201733min

AaS! 56: What Is the "Axis of Evil"?

AaS! 56: What Is the "Axis of Evil"?

Just how mediocre are we? I've heard there's an "axis of evil" in space - what's up with that? Is there anything special about our position within the universe? I discuss these questions and more in t...

16 Touko 201735min

AaS! 55: Does Dark Energy Exist?

AaS! 55: Does Dark Energy Exist?

How do we measure the expansion history of the universe? Why are supernovae so dang useful? Come on, what's with this "dark energy" business? I discuss these questions and more in today's Ask a Spacem...

2 Touko 201736min

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