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Revision as of 19:00, 30 May 2009 by George100
Carl Sagan was a popular scientist, astronomer, and media personality. He is perhaps best known for the PBS television series, Cosmos.
Sagan was founder of The Planetary Society.
- Contact. ISBN 1-56865-424-3
- The Demon-Haunted World: Science as a Candle in the Dark, ISBN 0-345-40946-9