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Crash Course Big History - Season 1 Episode 2 Exploring the Universe

Trailer
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.

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First Air Date: Sep 17, 2014

Last Air date: Jul 12, 2017

Season: 2 Season

Episode: 16 Episode

Runtime: 15 minutes

IMDb: 6.00/10 by 2.00 users

Popularity: 3.296

Language: English

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