I … had ambition not only to go farther than anyone had done before,” wrote Captain James Cook, the eighteenth-century explorer of the Pacific, “but … - Carl Sagan

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I … had ambition not only to go farther than anyone had done before,” wrote Captain James Cook, the eighteenth-century explorer of the Pacific, “but as far as it was possible for man to go.

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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 Carl E. Sagan Carl E Sagan C. E. Sagan C.E. Sagan C E Sagan C. Sagan C Sagan Sagan C Sagan C. Sagan C. E. Sagan CE
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Additional quotes by Carl Sagan

XIX. yüzyılda buharlı gemi yapımına girişilince, denizlere hiç de hayırlı olmayan bir çevre kirliliği işareti ulaştı: gürültü. Ticari ve askeri gemilerin daha da çoğalmasıyla okyanuslara yayılan gürültü (özellikle yirmi Hertz frekansında) kulak ardı edilemez duruma geldi. Okyanuslararası haberleşme girişimini yürüten balinalar için anlaşmak giderek zorlaştı. Haberleşme giderek kısa mesafelere indi. İki yüzyıl önce Finback denen balina türünün anlaşması 10.000 km uzaktan mümkün olurken, şimdi bu mesafe birkaç yüz kilometreye inmiş olabilir. Balinalar birbirlerini isimleriyle mi çağırırlar? Yalnızca ses yoluyla birbirlerini tanıyabilirler mi? Balinaların haberleşme olanaklarını kestik. Milyonlarca yıl haberleşebilen yaratıkları şimdi susturduk.

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We've arranged a civilization in which most crucial elements profoundly depend on science and technology. We have also arranged things so that almost no one understands science and technology. This is a prescription for disaster.

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