Name: Asteroid Armageddon
Released: 2014-01-12T08:00:00.000Z

How the Earth Works

S1, E 2: Asteroid Armageddon

Jan 12, 2014 42 min

Available on iTunes

Martin and Liz explore an asteroid impact that may have wiped out the dinosaurs; Martin experiences the power of a NASA supergun.

Jan 12, 2014 42 min

: Closed captions (CC) refer to subtitles in the available language with the addition of relevant non-dialogue information.