Carl Sagan's Cosmos
A Personal Voyage
{4:41 Minutes}

Cosmos 2
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Carl Sagan's Cosmos : A Personal Voyage
Carl Edward Sagan (November 9, 1934 – December 20, 1996) was an American astronomer and astrobiologist and a highly successful popularizer of astronomy, astrophysics, and other natural sciences. He pioneered exobiology and promoted the Search for Extra-Terrestrial Intelligence (SETI). He is world-famous for writing popular science books and for co-writing and presenting the award-winning 1980 television series Cosmos: A Personal Voyage, which has been seen by more than 600 million people in over 60 countries, making it the most widely watched PBS program in history.

Carl Sagan's Cosmos : Understanding the 4th Dimension {7:14 minutes}
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The Carl Sagan Portal