National Geographic Specials - 24 Hours After: Asteroid Impact | Knowledge.ca

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National Geographic Specials - 24 Hours After: Asteroid Impact
Watch Until May 28, 4:00pm
Duration: 45min
Travel back 66 million years ago, when a meteor struck the earth and wiped out three-quarters of all life on the planet. This program reveals the likely effects of the catastrophic impact that changed the world forever, and examines who won, who lost, and why.

National Geographic Specials

Next On TV
Sat, Apr 28 at 4:00pm