Carlsagandotcom

3:31

Carl Sagan - Pale Blue Dot
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7.3M views
6:42

Carl Sagan - Cosmos - Eratosthenes
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2.1M views
59:34

Carl Sagan Christmas lecture 2 - The Outer Solar System and Life
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91K views
8:02

Carl Sagan - COSMOS - Evolution
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668K views
59:49

Carl Sagan Christmas Lecture 1 - The Earth as a Planet
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168K views
16:54

Carl Sagan testifying before Congress in 1985 on climate change
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3.2M views
0:45

Imagine a room awash in gasoline - Carl Sagan
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790K views
59:38

Carl Sagan Christmas Lectures 3 - The History of Mars
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64K views
4:32

Carl Sagan - Cosmos - Traveling - Speed of Light
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275K views
1:13

Carl Sagan - Cosmos - Evolution of Whales
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45K views
5:50

Carl Sagan - Cosmos - Andromeda and Perseus Constellations
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105K views
3:27

Carl Sagan's Pale Blue Dot OFFICIAL
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2M views
0:54

Carl Sagan talks nuclear war on Larry King Live
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345K views
0:55

Carl Sagan on Star Wars in 1978
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1M views
8:46

HOW EVOLUTION HAPPENED BY CARL SAGAN
AstroEye
6.7K views
7:24

Cosmos - Carl Sagan - 4th Dimension
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3.6M views
1:00

Carl Sagan calls out mainstream media
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566K views
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