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Just 5% of the universe is made of all known matter in existence—the other 95% is dark matter and dark energy. So how do we detect, measure, and account for it? Prepare for blastoff, cadet; outer space is about to get weird.

This video is lecture 19 from the series The Evidence for Modern Physics: How We Know What We Know
Stream the full series now on Wondrium! http://www.Wondrium.com/YouTube

00:00 What is Dark Matter?
05:45 Fritz Zwicky Coins the Term "Dark Matter"
07:39 Vera Rubin's Observations on Dark Matter
12:56 Gravitational Lensing and Distortion
16:44 Possible Explanations for Dark Matter
21:31 Modified Newtonian Equations
25:10 Testing Theories on Dark Matter

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#DarkMatter #Physics #DarkEnergy