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AaS! 7: How Do We Know That Dark Matter Exists?

30 min•21 april 2015

How do we know that dark matter exists? Are you sure that scientists aren't just making things up because they're lazy? What makes it dark anyway? 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
Watch on YouTube: http://www.youtube.com/PaulMSutter
Read a book: https://www.pmsutter.com/books 

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.

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AaS! 268: What are Little Red Dots?
•32 min
AaS! 267: Is the Universe Older than We Think?
•28 min
AaS! 266: Is the Universe Made of Math?
•31 min
AaS! 265: Does Antimatter Fall Up?
•28 min
AaS! 264: Just How Weird is the Quantum Eraser?
•30 min
AaS! 263: Does Free Will Exist?
•30 min
AaS! 262: Does the Universe Have Extra Dimensions?
•33 min
AaS! 261: What are Black Dwarfs?
•37 min
AaS! 260: What's the Big Deal with the Weak Force?
•31 min
AaS! 259: Where Exactly is the Edge of the Universe?
•23 min

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