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Carl Sagan and Ted Turner discuss the issues that are vital to the survival of our species on earth. Sagan explains the benefits of our space program, the fascinating possibility of time travel, and our search for life on other worlds.

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Carl Sagan gives updates on Episodes: 2,4,5,6,8,,9,10,12,13. The Updates where shot 10 years after Cosmos first aired.

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Secrets of the Cosmos revealed by the Hubble Space Telescope and the Cassini-Huygens mission to Saturn & Titan.

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