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And about 66 million years ago, in the, so this is actually in terms of whatever happened to that asteroid. Well, about 66 million years ago, it was a seven mile, approximately seven mile, 12 kilometer wide asteroid. And it was zipping in here at about 27,000 miles an hour, 43,000 kilometers an hour, smashed into Earth. And it was the cause of the fifth mass extinction that killed off the dinosaurs.