carl sagan

Interview with Carl Sagan

Posted Thu, 07/30/2009 - 04:20 by linkedup

Peter Gzowski of CBC Radio interviews Carl Sagan on January 20, 1995, about his book Pale Blue Dot.

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Carl Sagan's Cosmos: Harmony of the Worlds

Posted Thu, 07/30/2009 - 04:08 by linkedup

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