A look at end of the world scenarios involving killer asteroid or comet impact events, solar flare and gamma-ray bursts, and the plans that scientists have to potentially save the Earth from an interstellar disaster.
Tags
History Channel, Louis C. Tarantion, Douglas J. Cohen, the universe, universe, documentary, free, watch, online, movie, film, video, top, doc, documentation, samuel k. dolan, end of the earth, gamma, ray, asteroid, earth, disaster
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