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Carl Sagan Videos
See these and other videos on YouTube
Carl Edward Sagan (November 9, 1934 – December 20, 1996) was an American astronomer, astrochemist, author, and highly successful popularizer of astronomy, astrophysics and other natural sciences. He pioneered exobiology and promoted the Search for Extra-Terrestrial Intelligence (SETI). Source: Wikipedia


Radio Astronomy
Carl Sagan Origins of the Universe		  
God, the Universe, & Everything Else


"Pale Blue Dot"

  
Back into Time		  
Cosmic Calendar


The Total Number of Stars

  
The Beginning of the Universe		  
Survival in Space


Search of Extraterrestrials

  
Advanced Civilizations Visiting Earth		  
Alien Civilizations Drake Equation


Fourth Dimension

  
100 Billion Galaxies each W/100 Billion Stars		  
Star Stuff


Ancient Astronomers

  
Pictures in the Sky		  
Astronomy vs. Astrology


Our Place in The Universe

  
Earth's End		  
Who Speaks for Earth

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