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.
| Title | Crash Course Big History - Season 1 Episode 2 Exploring the Universe |
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| Year | 2017 |
| Genre | |
| Country | United States of America |
| Studio | YouTube |
| Cast | |
| Crew | |
| Alternative Titles | |
| Keyword | |
| First Air Date | Sep 17, 2014 |
| Last Air date | Jul 12, 2017 |
| Season | 2 Season |
| Episode | 16 Episode |
| Runtime | 15:14 minutes |
| Quality | HD |
| IMDb: | 6.00/ 10 by 2.00 users |
| Popularity | 3.049 |
| Language | English |
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