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"Frequentemente me perguntam: "Você acredita que existe inteligência exraterrestre?" Respondo com os argumentos padrões - há muitos lugares no espaço… - Carl Sagan
"Frequentemente me perguntam: "Você acredita que existe inteligência exraterrestre?" Respondo com os argumentos padrões - há muitos lugares no espaço, as moléculas da vida estão por toda parte, emprego a palavra bilhões, e assim por diante. Depois digo que ficaria espantado senão houvesse inteligência extraterrestre, mas que ainda não há absolutamente nenhuma evidência convincente de que ela existe.
Muitas vezes me perguntam a seguir:
-O que você realmente acha?
Respondo:
-Acabei de lhe dizer o que realmente acho.
-Sim, mas qual é a sua opinião visceral?
Mas eu tento não pensar com as minhas vísceras. Se levo a sério minha tentativa de compreender o mundo, pensar com algum órgão que não seja o cérebro, por mais tentador que possa ser, provavelmente complicará a minha vida. Na verdade, é correto guardar a opinião para quando houver evidências."
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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.
Biography information from Wikiquote
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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I had become friendly with a group of people who occasionally smoked cannabis, irregularly, but with evident pleasure. Initially I was unwilling to partake, but the apparent euphoria that cannabis produced and the fact that there was no physiological addiction to the plant eventually persuaded me to try. My initial experiences were entirely disappointing; there was no effect at all, and I began to entertain a variety of hypotheses about cannabis being a placebo which worked by expectation and hyperventilation rather than by chemistry. After about five or six unsuccessful attempts, however, it happened.
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