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.
Tags
How the Earth Was Made, History Channel, Corey Johnson, documentary, free, watch, watch history channel documentaries, online, for free, download, earth, big bang, planet, science documentaries, Asteroids
Download our android app!