AaS! 166: What's the Truth Behind 'Oumuamua?
Ask a Spaceman!21 Des 2021

AaS! 166: What's the Truth Behind 'Oumuamua?

Where did 'Oumuamua come from? What is it made of, and how did it end up here? Is it really an artifact of an alien civilization? I discuss these questions and more in today's Ask a Spaceman!

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Thanks to Cathy Rinella for editing.

This podcast uses sounds from Freesound by the following users: alec-mackay, bbrocer, and schmaddio.

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

Episoder(274)

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 Jun 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 Mai 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 Mai 201736min

AaS! 54: What Happens When Galaxies Collide?

AaS! 54: What Happens When Galaxies Collide?

What happens during a galaxy merger event? Is dark matter involved? How do we use simulations to learn about these processes that last hundreds of millions of years? I discuss these questions and mor...

18 Apr 201737min

AaS! 53: Why Is the Higgs Boson Important? (Part 2)

AaS! 53: Why Is the Higgs Boson Important? (Part 2)

Part Two! What's the relationship between the Higgs Boson and mass? What does that even mean, and how do we go about detecting it? I discuss these questions and more in today's Ask a Spaceman! Support...

4 Apr 201730min

AaS! 52: Why Is the Higgs Boson Important? (Part 1)

AaS! 52: Why Is the Higgs Boson Important? (Part 1)

Part One! What does the Higgs Boson mean? What role does it play in the forces of nature? What makes it so special? I discuss these questions and more in today's Ask a Spaceman! Support the show: http...

21 Mar 201737min

AaS! 51: What Has New Horizons Learned About Pluto?

AaS! 51: What Has New Horizons Learned About Pluto?

What has New Horizons taught us about Pluto so far? What's going on under the ice? Why does the "heart" of Pluto still beat? I discuss these questions and more in today's Ask a Spaceman! Support the s...

7 Mar 201750min

AaS! 50: What's Up With Saturn's Rings?

AaS! 50: What's Up With Saturn's Rings?

How (and when) did the rings of Saturn form? How are we to understand the complex systems of rings and gaps? How do the moons influence their shape? I discuss these questions and more in today's Ask a...

21 Feb 201740min

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