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

EPISODE · Apr 21, 2015 · 29 MIN

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

from Ask a Spaceman!

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.

Episode metadata supplied by the publisher feed · Published Apr 21, 2015

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

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This episode is 29 minutes long.

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This episode was published on April 21, 2015.

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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...

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