0:13

“The suppression of uncomfortable ideas…”

0:53

Carl Sagan describes our place in the universe

28:24

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

1:01

A Quantum Love Story featuring poetry by Ann Druyan with music by Tonio Sagan x Moon Hooch

0:39

Who Speaks For Earth?

0:25

Carl Sagan discussing Nuclear Winter with congress 1985

0:59

Carl Sagan teaching students about the Milky Way galaxy

0:39

The scientific illiteracy of Americans is scandalous

1:00

Carl Sagan calls out mainstream media

1:46

UN Global Compact | Carl Sagan

0:45

Carl Sagan on UFO’s - “Extraordinary claims require extraordinary evidence”

0:52

Carl Sagan on why NASA should go to mars

0:23

“The Persistence of Memory”

0:55

Carl Sagan on Star Wars in 1978

0:42

If we are not able to ask skeptical questions..

0:37

Laws of Nature

1:01

Carl Sagan on the silver lining behind solving our global environmental issues

5:00

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

0:15

We've arranged a society based on science and technology…

0:54

Carl Sagan talks nuclear war on Larry King Live

0:21

“In the Cosmos, there is no refuge from change.”

0:53

Carl Sagan explains how the Ancient Greek knew the earth was round

59:38

Carl Sagan Christmas Lectures 3 - The History of Mars

0:45

Imagine a room awash in gasoline - Carl Sagan

59:34

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

0:59

Why is the grass green? - Carl Sagan on The Tonight Show with Johnny Carson 1977

59:49

Carl Sagan Christmas Lecture 1 - The Earth as a Planet

16:54

Carl Sagan testifying before Congress in 1985 on climate change

1:03

COSMOS Possible Worlds Ep 4 Vavilov clip

2:02

Carl Sagan Bits to Dandilion

4:58

One Voice In the Cosmic Fugue

3:10

Cosmos: A Personal Voyage from Ep. 7

2:19

Cosmos A Personal Voyage introduction

3:27

Carl Sagan's Pale Blue Dot OFFICIAL

3:30

COSMOS: A SpaceTime Odyssey

4:58

Carl Sagan - Cosmos - Cosmic Calendar

8:39

Carl Sagan - Cosmos - Artificial Selection

7:08

Carl Sagan - Cosmos - Galaxies

1:13

Carl Sagan - Cosmos - Evolution of Whales

4:36

Carl Sagan - Cosmos - Its Only Sacred Truths

2:42

Carl Sagan - Cosmos- Stars - We Are Their Children

2:12

Carl Sagan - Cosmos - Gravity in Wonderland

3:51

Carl Sagan - Cosmos - Democritus

6:42

Carl Sagan - Cosmos - Eratosthenes

2:29

Carl Sagan - Cosmos - A Journey into the Cosmos

4:32

Carl Sagan - Cosmos - Traveling - Speed of Light

5:50

Carl Sagan - Cosmos - Andromeda and Perseus Constellations

2:22

Carl Sagan - Orion Nebula

3:36

Introduction to Cosmos The Shores of Cosmic Ocean

7:24

Cosmos - Carl Sagan - 4th Dimension

3:31

Carl Sagan - Pale Blue Dot

8:02

Carl Sagan - COSMOS - Evolution