carl sagan
32 videos • 92 views • by johnwark
1
Carl Sagan Speaks
malickfan
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2
[Deleted video]
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3
Carl Sagan on Drake Equation
undercoverkptic
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4
Carl Sagan Cosmos
Luis Torres
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5
Carl Sagan on Astrology
undercoverkptic
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6
Carl Sagan - Cosmos Intro
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7
[Deleted video]
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8
[Deleted video]
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9
Carl Sagan Cosmos
Luis Torres
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10
Nuclear Energy - A nearly unlimited future (Carl Sagan)
Steve Packard
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11
[Deleted video]
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12
[Deleted video]
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13
[Private video]
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14
Carl Sagan's Cosmos: Life on Jupiter
Brian Emerson
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15
Googol and Googolplex by Carl Sagan
asantos
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16
Carl Sagan on atoms, the googol, and the googolplex
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17
Carl Sagan on black holes and the bending of light
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18
Carl Sagan on the chemistry of life on Earth/ other planets
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19
Carl Sagan on looking out into space = back into time
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20
Carl Sagan on the life of our sun and the other stars
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21
Carl Sagan on the chemical elements
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22
Carl Sagan on the shape of the cosmos (curved/saddle/flat)
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23
[Deleted video]
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24
[Deleted video]
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25
Carl Sagan - Cosmos Intro
threedotsdead
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26
[Deleted video]
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27
Carl Sagan on the great library of Alexandria
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28
Carl Sagan on the great library of Alexandria part 1
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29
Carl Sagan on the great library of Alexandria part 2
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30
Carl Sagan warns against the fear of Science.
evacuationplanb
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31
Carl Sagan on the Anasazi peoples' calendrical devices
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32
Carl Sagan on "God" and "gods"
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