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Official YouTube Channel for the works of celebrated scienti
28:24
50th re-dedication of the Eternal Light Peace Memorial speech by Carl Sagan and Ann Druyan
01:46
UN Global Compact | Carl Sagan
05:00
Voyager's 45th Anniversary with Ann Druyan, Creative Director of NASA Voyager Interstellar Message
59:38
Carl Sagan Christmas Lectures 3 - The History of Mars
59:34
Carl Sagan Christmas lecture 2 - The Outer Solar System and Life
59:49
Carl Sagan Christmas Lecture 1 - The Earth as a Planet
16:54
Carl Sagan testifying before Congress in 1985 on climate change
01:03
COSMOS Possible Worlds Ep 4 Vavilov clip
02:02
Carl Sagan Bits to Dandilion
04:58
One Voice In the Cosmic Fugue
03:10
Cosmos: A Personal Voyage from Ep. 7
02:19
Cosmos A Personal Voyage introduction
03:27
Carl Sagan's Pale Blue Dot OFFICIAL
03:30
COSMOS: A SpaceTime Odyssey
04:58
Carl Sagan - Cosmos - Cosmic Calendar
08:39
Carl Sagan - Cosmos - Artificial Selection
07:08
Carl Sagan - Cosmos - Galaxies
01:13
Carl Sagan - Cosmos - Evolution of Whales
04:36
Carl Sagan - Cosmos - Its Only Sacred Truths
02:42
Carl Sagan - Cosmos- Stars - We Are Their Children
02:12
Carl Sagan - Cosmos - Gravity in Wonderland
03:51
Carl Sagan - Cosmos - Democritus
06:42
Carl Sagan - Cosmos - Eratosthenes
02:29
Carl Sagan - Cosmos - A Journey into the Cosmos
04:32
Carl Sagan - Cosmos - Traveling - Speed of Light
05:50
Carl Sagan - Cosmos - Andromeda and Perseus Constellations
02:22
Carl Sagan - Orion Nebula
03:36
Introduction to Cosmos The Shores of Cosmic Ocean
07:24
Cosmos - Carl Sagan - 4th Dimension
03:31
Carl Sagan - Pale Blue Dot
08:02
Carl Sagan - COSMOS - Evolution
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Official YouTube Channel for the works of celebrated scientist and astronomer Carl Sagan.
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