NOVA scienceNOW Origins of the Solar System
A supernova may have triggered the formation of our sun and planets Details
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The Star In You
Just what do astronomers mean when they say we're all made of star stuff?
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Does Mars Have Life?
NASA's Christopher McKay thinks the red planet once had living things and maybe, just mayb...
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Hunting the Edge of Space: Hr 1
The Mystery of the Milky Way: From Galileo's to today's, telescopes have opened grand vist...
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How Did Life Begin?
Harvard's Andrew Knoll discusses the deeply mysterious jump long ago from non-living to li...
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