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Naked Science - Killer Asteroid

Seizoen: 2004 - Aflevering: 1 / 18 - Eerst uitgezonden: 15 september 2004 - Episode ID: 620819

An untold number of asteroids have slammed into Earth over millions of years. Scientists are now monitoring the skies watching for the next 'big one', and considering options on how to prevent the next major impact.