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45:59 Lecture 29 (Impacts) Lecture 29 (Impacts)	Lecture 29 (Impacts) Lecture 29 (Impacts) earth impact crater event kilometers jupiter dinosaurs air yucatan atmosphere diameter russia surface events impacts asteroid miles glass chelyabinsk energy From John Rundle 0 likes 5 plays 0

45:59

Lecture 29 (Impacts)

From John Rundle 0 likes 5 plays 0