How the Universe Works
The First Oceans (S04E07)
For a long time, researchers believed that the oceans were formed from molecules brought to Earth by asteroids from far-off stars. However, a recen...
S04E07
Show
Season 4 Episodes
S04E02 - Earth, Venus's Evil Twin
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S04E03 - Monster Black Hole
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S04E04 - Edge of the Solar System
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S04E05 - Dawn Of Life
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S04E06 - Secret History of the Moon
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S04E07 - The First Oceans
How the Universe Works