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Tuesday, November 19, 2013

Carl Sagan - presenting science as an integral part of the gorgeous tapestry of human knowledge.

Carl Sagan - presenting science as an integral part of the gorgeous tapestry of human knowledge.
Carl Sagan - presenting science as an integral part of the gorgeous tapestry of human knowledge.
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The Detailed Universe
The Detailed Universe
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Orion Nebula and running man nebula
Orion Nebula and running man nebula
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