
How the Universe Works Season 4 Episode 7
For years, scientists suspected that the oceans came from molecules delivered to Earth from distant stars by asteroids, but a new discovery suggests that their true origins may be more exotic.
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Serie: How the Universe Works
Guest Star: Hakeem Oluseyi, James S. Bullock, Lawrence Krauss, Michelle Thaller, Michio Kaku, Mike Rowe, Moogega Cooper, Phil Plait, Richard Lintern