AaS! 5: Where Did the Oceans Come From?
Ask a Spaceman!20 Maalis 2015

AaS! 5: Where Did the Oceans Come From?

Where did the oceans come from? Yeah, the answer is space, but are there any more details? Where does water come from anyway? Did the oceans come along with the earth or did they come later? Do we know anything about this at all? I discuss these questions and more in today's Ask a Spaceman!

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Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman, Twitter@PaulMattSutter, http://www.Facebook.com/PaulMattSutter, and http://www.askaspaceman.com for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.

Jaksot(271)

AaS! 233: Why Do We Care About Methane on Mars?

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! ...

1 Loka 202432min

AaS! 232: Is Space Tourism a Good Idea?

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 ...

17 Syys 202430min

AaS! 231: What Made the Local Bubble?

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/...

3 Syys 202429min

AaS! 230: Is the Universe Making Any New Galaxies?

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 ...

20 Elo 202426min

AaS! 229: Is the James Webb Breaking Cosmology?

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 th...

6 Elo 202435min

AaS! 228: Can a Galaxy Be Destroyed?

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...

16 Heinä 202430min

AaS! 227: Where is the Center of the Universe?

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.pat...

2 Heinä 202435min

AaS! 226: Does the Universe Get Shorter When You Go Faster?

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...

18 Kesä 202436min

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