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An atheist is someone who is certain that God doesn't exist, someone who has compelling evidence against the existence of God. I know of no such comp… - Carl Sagan
" "An atheist is someone who is certain that God doesn't exist, someone who has compelling evidence against the existence of God. I know of no such compelling evidence.
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About Carl Sagan
Carl Edward Sagan (9 November 1934 – 20 December 1996) was an American astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, author, and science communicator. His best known scientific contribution is research on extraterrestrial life, including experimental demonstration of the production of amino acids from basic chemicals by radiation. Sagan assembled the first physical messages sent into space, the Pioneer plaque and the Voyager Golden Record, universal messages that could potentially be understood by any extraterrestrial intelligence that might find them. Sagan argued the hypothesis, accepted since, that the high surface temperatures of Venus can be attributed to, and calculated using, the greenhouse effect. He testified to the US Congress in 1985 that the greenhouse effect will change the earth's climate system.
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Also Known As
Native Name:
Carl Edward Sagan
Alternative Names:
Sagan
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Carl E. Sagan
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Carl E Sagan
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C. E. Sagan
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C.E. Sagan
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C E Sagan
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C. Sagan
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C Sagan
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Sagan C
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Sagan C.
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Sagan C. E.
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Sagan CE
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Additional quotes by Carl Sagan
I do not think it irresponsible to portray even the direst futures if we are to avoid them we must understand that they are possible. But where are the alternatives Where are the dreams that motivate and inspire We long for realistic maps of a world we can be proud to give to our children. Where are the cartographers of human purpose Where are the visions of hopeful futures of technology as a tool for human betterment and not a gun on hair trigger pointed at our heads
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El siglo XX será recordado por tres grandes innovaciones: medios sin precedentes para salvar, prolongar y mejorar la vida, medios sin precedentes para destruirla (hasta el punto de poner por vez primera en peligro nuestra civilización global) y conocimientos sin precedentes sobre nuestra propia naturaleza y la del universo. Las tres evoluciones han sido fruto de la ciencia y la tecnología, una espada de dos filos bien cortantes. Las tres tienen raíces en el pasado remoto.
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