3:37
Carl Sagan "Pale Blue Dot" (New Version) Spread This!
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10:00
Carl Sagan - A Tribute to Carl Sagan (Some of the Best Scenes from Cosmos)
9:42
Carl Sagan - The Music of the Cosmos Television Series
7:39
Carl Sagan discusses nuclear self-destruction
8:32
Carl Sagan on "Who speaks for Earth?"
3:38
Carl Sagan on looking out into space = back into time
LIVE
[Deleted video]
2:35
Carl Sagan on the total number of stars in our Universe
8:44
Carl Sagan teaching school children about the Universe
4:58
Carl Sagan - The Cosmic Calendar (Version 1)
7:04
Carl Sagan explains Natural Selection
5:11
Carl Sagan on the Anasazi peoples' calendrical devices
9:52
"Who Speaks for Earth?" episode 13 ending (Cosmos summary)
Carl Sagan on the cosmic Rosetta Stone
9:49
Carl Sagan on radio astronomy & the Drake Equation
11:00
Carl Sagan on the shape of the cosmos (curved/saddle/flat)
5:04
Carl Sagan on "the beginning"
8:23
Carl Sagan on the great library of Alexandria part 2
3:47
Carl Sagan on the great library of Alexandria part 1
4:24
10 years after the making of Cosmos; Carl Sagan reflects
8:54
Carl Sagan explores the Encyclopedia Galactica/Earth's end
8:28
Carl Sagan on UFOs
7:34
Carl Sagan on the Encyclopedia Galactica (Survival in space)
7:18
Carl Sagan on advanced civilizations visting Earth
9:19
Carl Sagan on Champollion & the Rosetta Stone part 1
9:47
Carl Sagan on the Big Bang - Milton Humason & Edwin Hubble
8:34
Carl Sagan on "God" and "gods"
4:37
Carl Sagan explains the geometry of our universe
7:19
Carl Sagan's flat-land thought experiment, and the tesseract
9:33
Carl Sagan on the Big Bang / the creation of the cosmos
7:49
Carl Sagan on atoms, the googol, and the googolplex
7:29
Carl Sagan explains the evolutionary processes of life
6:08
Carl Sagan explains the lives and deaths of stars
10:56
Carl Sagan on the life of our sun and the other stars
9:24
Carl Sagan on the chemical elements
6:43
Carl Sagan on black holes and the bending of light
8:57
Carl Sagan explains cosmic rays and neutron stars
8:59
Carl Sagan talks about the Greeks' contributions to science
5:18
Carl Sagan explains how he came to know what the stars are
Carl Sagan discusses Voyager's accomplishments
2:33
Carl Sagan Cosmos - Travellers' Tales Intro
6:00
Carl Sagan on the chemistry of life on Earth/ other planets
Carl Sagan - The Cosmic Calendar (Version 2)
3:27
Carl Sagan Cosmos - One Voice In The Cosmic Fugue Intro
9:35
Carl Sagan - The Shores of the Cosmic Ocean part 3
Carl Sagan - The Shores of the Cosmic Ocean part 2
7:30
Carl Sagan - The Shores of the Cosmic Ocean part 1
2:02
Ann Druyan talks about the Cosmos mini-series
8:42
Carl Sagan on Eratosthenes
10:33
Carl Sagan on the great library of Alexandria
7:27
Carl Sagan on Evolution
6:39
Carl Sagan on natural laws/constellations
9:03
Carl Sagan on the pseudoscience of Astrology
9:01
Carl Sagan on the origin of DNA
10:29
Carl Sagan on DNA
10:16
Carl Sagan on comet/asteroid impacts & the Canterbury Monks
Carl Sagan on Epicycles, Ptolemy, and Kepler
9:04
Carl Sagan on Tycho Brahe, Johannes Kepler, and ellipses
6:36
Carl Sagan on Johannes Kepler's persecution
1:42
Carl Sagan "We Speak for Earth"
2:51
Carl Sagan "100 Billion Galaxies each W/100 Billion Stars"
1:54
Carl Sagan "The Earth as a Fragile Blue Crescent"
