How the Universe Works - Alien Oceans

Seizoen: 4 - Aflevering: 14 / 47 - Eerst uitgezonden: 24 november 2015 - Episode ID: 1269115

Same as episode S04E07 - The First Oceans: 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.