How the Earth Was Made - Asteroids

Seizoen: 1 - Aflevering: 10 / 10 - Eerst uitgezonden: 21 april 2009 - Episode ID: 407827

Asteroids might provide clues about the formation of early Earth; detective work uncovers that a big nickel deposit in Canada, vast oil reserves in the Gulf of Mexico and a gold mine in South Africa all resulted from asteroid impacts.