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NOVA - Season 23 Episode 4

NOVA - Season 23 Episode 4 - Documentary TV Shows 55:14. story about Is there an asteroid or comet out there with our name on it? NOVA scans the skies and the geological record on Earth, for evidence that giant rocks from outer space have struck before and will eventually plow into our planet again.

Released: Mar 03, 1974

Runtime: 55:14

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Networks: PBS


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