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Exploring the Universe: Crash Course Big History #2

CrashCourse 4,142,2074M
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Published on Sep 24, 2014

In which John Green, Hank Green, and Emily Graslie teach you about what happened in the Universe after the big bang. They'll teach you about cosmic background radiation, how a bunch of hydrogen and helium turned into stars, formed galaxies, created heavy elements, and eventually created planets.

For more information, visit http://www.bighistoryproject.com

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