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Season 44 Episode 21 | 53m 14s Video has closed captioning.
66 million years ago, a seven-mile-wide asteroid collided with Earth, triggering a chain of events that coincide with the end of the dinosaurs. But experts have long debated exactly what happened when the asteroid struck and how the giant beasts met their end. Now, scientists have uncovered compelling new clues about the catastrophe.
Aired: 12/06/17
Expires: 12/27/20
National corporate funding for NOVA is provided by <a href="http://www.draper.com/" target=_blank">Draper</a>. Major funding for NOVA is provided by the David H. Koch Fund for Science, the <a href="http://www.cpb.org/" target="_blank">Corporation for ...
National corporate funding for NOVA is provided by Draper. Major funding for NOVA is provided by the David H. Koch Fund for Science, the Corporation for Public Broadcasting and PBS viewers. Additional funding is provided by the NOVA Science Trust.
Day the Dinosaurs Died Preview
Experts drill into the impact crater of an asteroid that created a worldwide cataclysm.
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Experts drill into the impact crater of an asteroid that created a worldwide cataclysm.
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