Early Earth Bombarded By Comets
Clip: Season 38 Episode 13 | 5m 10sVideo has Closed Captions
Comets carrying chemicals necessary for life may have come to Earth billions of years ago.
Comets carrying chemicals necessary for life may have come to Earth billions of years ago.
National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.
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Early Earth Bombarded By Comets
Clip: Season 38 Episode 13 | 5m 10sVideo has Closed Captions
Comets carrying chemicals necessary for life may have come to Earth billions of years ago.
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National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.