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Official YouTube Channel for the works of celebrated scientist and astronomer Carl Sagan.

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28:24

50th re-dedication of the Eternal Light Peace Memorial speech by Carl Sagan and Ann Druyan

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Shared 2 years ago

11K views

1:46

UN Global Compact | Carl Sagan

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Shared 2 years ago

22K views

5:00

Voyager's 45th Anniversary with Ann Druyan, Creative Director of NASA Voyager Interstellar Message

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Shared 3 years ago

6.8K views

59:38

Carl Sagan Christmas Lectures 3 - The History of Mars

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Shared 3 years ago

94K views

59:34

Carl Sagan Christmas lecture 2 - The Outer Solar System and Life

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Shared 3 years ago

128K views

59:49

Carl Sagan Christmas Lecture 1 - The Earth as a Planet

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Shared 3 years ago

249K views

16:54

Carl Sagan testifying before Congress in 1985 on climate change

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Shared 4 years ago

3.9M views

1:03

COSMOS Possible Worlds Ep 4 Vavilov clip

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Shared 5 years ago

8.8K views

2:02

Carl Sagan Bits to Dandilion

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Shared 7 years ago

21K views

4:58

One Voice In the Cosmic Fugue

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Shared 7 years ago

8.3K views

3:10

Cosmos: A Personal Voyage from Ep. 7

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Shared 7 years ago

10K views

2:19

Cosmos A Personal Voyage introduction

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Shared 7 years ago

5.3K views

3:27

Carl Sagan's Pale Blue Dot OFFICIAL

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Shared 10 years ago

2.4M views

3:30

COSMOS: A SpaceTime Odyssey

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Shared 12 years ago

136K views

4:58

Carl Sagan - Cosmos - Cosmic Calendar

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Shared 16 years ago

545K views

8:39

Carl Sagan - Cosmos - Artificial Selection

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Shared 16 years ago

121K views

7:08

Carl Sagan - Cosmos - Galaxies

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Shared 16 years ago

423K views

1:13

Carl Sagan - Cosmos - Evolution of Whales

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Shared 16 years ago

61K views

4:36

Carl Sagan - Cosmos - Its Only Sacred Truths

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Shared 16 years ago

141K views

2:42

Carl Sagan - Cosmos- Stars - We Are Their Children

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Shared 16 years ago

362K views

2:12

Carl Sagan - Cosmos - Gravity in Wonderland

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Shared 16 years ago

101K views

3:51

Carl Sagan - Cosmos - Democritus

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Shared 16 years ago

231K views

6:42

Carl Sagan - Cosmos - Eratosthenes

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Shared 16 years ago

2.7M views

2:29

Carl Sagan - Cosmos - A Journey into the Cosmos

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Shared 16 years ago

128K views

4:32

Carl Sagan - Cosmos - Traveling - Speed of Light

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Shared 16 years ago

344K views

5:50

Carl Sagan - Cosmos - Andromeda and Perseus Constellations

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Shared 16 years ago

115K views

2:22

Carl Sagan - Orion Nebula

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Shared 16 years ago

76K views

3:36

Introduction to Cosmos The Shores of Cosmic Ocean

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Shared 16 years ago

39K views

7:24

Cosmos - Carl Sagan - 4th Dimension

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Shared 16 years ago

4.6M views

3:31

Carl Sagan - Pale Blue Dot

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Shared 16 years ago

8.2M views

8:02

Carl Sagan - COSMOS - Evolution

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Shared 16 years ago

777K views