Cosmos (1980)
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The Backbone of Night 

Carl Sagan looks at the work of ancient Greek scientists and astronomers including Thales, Anaximander, Democritus, and Pythagoras.
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Cast

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Johannes Kepler
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Storyline

Carl Sagan looks at the work of ancient Greek scientists and astronomers including Thales, Anaximander, Democritus, and Pythagoras.

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Documentary

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Release Date:

9 November 1980 (USA)  »

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Trivia

This is the first episode in which the Ship of Imagination doesn't appear. See more »

Quotes

Carl Sagan - Host: The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.
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