Carl Sagan Quote


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What counts is not what sounds plausible, not what we would like to believe, not what one or two witnesses claim, but only what is supported by hard evidence rigorously and skeptically examined. Extraordinary claims require extraordinary evidence.  - Carl Sagan
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Carl Sagan
Carl SaganShare on Facebook

Born: November 9, 1934

Died: December 20, 1996 (aged 62)

Nationality: American

Occupation: Scientist

Bio: Carl Edward Sagan was an American astronomer, astrophysicist, cosmologist, author, science popularizer, and science communicator in astronomy and natural sciences. He spent most of his career as a professor of astronomy at Cornell University where he directed the Laboratory for Planetary Studies.

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