Does Dark Matter Fail? - Ask a Spaceman!

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What are some of the problems with dark matter? What about modified gravity? Are there any other solutions? I discuss these questions and more in today’s Ask a Spaceman!

Follow all the show updates at http://www.askaspaceman.com, and help support the show at   / pmsutter  !

Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.

00:00 - Intro
01:07 - Evidence for Dark Matter
04:57 - Weaknesses of Dark Matter
09:11 - MOND
12:16 - Weaknesses of MOND and TeVeS
17:00 - In Defense of Dark Matter