How The Earth Works

Season 1 • Episode 2: Asteroid Armageddon • Watch with subtitles

Season:
Episode:
Asteroid Armageddon

Episode 2: Asteroid Armageddon

October 16, 2013 • 45 min

Investigating a giant asteroid that may have been responsible for killing off the dinosaurs. Also: a NASA super gun; an underground river in Mexico.

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