Cosmos: A Space-Time Odyssey Season 1 Episode 7

Cosmos: A Space-Time Odyssey → Season 1 → Episode 7: The Clean Room
To determine the true age of the Earth, geochemist Clair Patterson developed the uranium-lead dating method to make an unprecedented discovery - calculating Earth's age of 4.5 billion years. But Patterson's groundbreaking discoveries were just beginning.
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Watch The Clean Room
Air Date: 20 April 2014
Director: Brannon Braga
Language: English
Runtime: 0 Minutes
More Info: IMDb

Cast: Neil deGrasse Tyson, Richard Gere, Piotr Michael, Marc Worden


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