Carlsagandotcom

Cosmos - Carl Sagan - 4th Dimension 07:24
Cosmos - Carl Sagan - 4th Dimension carlsagandotcom 4,300,089 16 лет назад
Carl Sagan testifying before Congress in 1985 on climate change 16:54
Carl Sagan testifying before Congress in 1985 on climate change carlsagandotcom 3,759,274 3 года назад
Carl Sagan - Cosmos - Eratosthenes 06:42
Carl Sagan - Cosmos - Eratosthenes carlsagandotcom 2,515,600 16 лет назад
Carl Sagan - Pale Blue Dot 03:31
Carl Sagan - Pale Blue Dot carlsagandotcom 7,920,013 16 лет назад
Carl Sagan explains how the Ancient Greek knew the earth was round 00:53
Carl Sagan explains how the Ancient Greek knew the earth was round carlsagandotcom 8,430,115 2 года назад
Who Speaks For Earth? 00:39
Who Speaks For Earth? carlsagandotcom 61,635 1 год назад
Carl Sagan - Cosmos- Stars - We Are Their Children 02:42
Carl Sagan - Cosmos- Stars - We Are Their Children carlsagandotcom 340,890 15 лет назад
Carl Sagan - Cosmos - Traveling - Speed of Light 04:32
Carl Sagan - Cosmos - Traveling - Speed of Light carlsagandotcom 301,613 16 лет назад
We've arranged a society based on science and technology… 00:15
We've arranged a society based on science and technology… carlsagandotcom 148,259 2 года назад
Carl Sagan calls out mainstream media 01:00
Carl Sagan calls out mainstream media carlsagandotcom 627,686 2 года назад
Laws of Nature 00:37
Laws of Nature carlsagandotcom 35,904 2 года назад
Carl Sagan - Cosmos - A Journey into the Cosmos 02:29
Carl Sagan - Cosmos - A Journey into the Cosmos carlsagandotcom 114,420 16 лет назад
Carl Sagan's Pale Blue Dot OFFICIAL 03:27
Carl Sagan's Pale Blue Dot OFFICIAL carlsagandotcom 2,277,375 9 лет назад
Carl Sagan on Star Wars in 1978 00:55
Carl Sagan on Star Wars in 1978 carlsagandotcom 1,068,422 2 года назад
Carl Sagan discussing Nuclear Winter with congress 1985 00:25
Carl Sagan discussing Nuclear Winter with congress 1985 carlsagandotcom 188,726 2 года назад
Carl Sagan - Cosmos - Democritus 03:51
Carl Sagan - Cosmos - Democritus carlsagandotcom 198,122 15 лет назад
Imagine a room awash in gasoline - Carl Sagan 00:45
Imagine a room awash in gasoline - Carl Sagan carlsagandotcom 844,958 3 года назад
Carl Sagan on the silver lining behind solving our global environmental issues 01:01
Carl Sagan on the silver lining behind solving our global environmental issues carlsagandotcom 38,838 2 года назад
Carl Sagan teaching students about the Milky Way galaxy 00:59
Carl Sagan teaching students about the Milky Way galaxy carlsagandotcom 525,467 2 года назад
Carl Sagan - Cosmos - Cosmic Calendar 04:58
Carl Sagan - Cosmos - Cosmic Calendar carlsagandotcom 510,048 15 лет назад

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