Carl Sagan citáty
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Carl Edward Sagan bol americký astronóm, astrofyzik, astrobiológ a popularizátor vedy a kritického myslenia. Bol priekopníkom v exobiológii, experimentálne demonštroval produkciu aminokyselín zo základných chemických prvkov za pomoci radiácie.

Svoju vedeckú dráhu začínal na Harvard University, neskôr až do svojej smrti pôsobil ako profesor astronómie a vesmírnych štúdií na Cornell University, kde okrem iného viedol laboratórium pre planetárne štúdiá. Podieľal sa na viacerých významných projektoch NASA, okrem iného napríklad na programe Apollo a misii Voyager 1.

Počas svojej kariéry publikoval viac ako 600 vedeckých štúdií a vyše 20 kníh, medzi nimi aj knihu Draci z raja za ktorú získal Pulitzerovu cenu.

Je svetovo známy svojimi populárno-vedeckými knihami a televíznymi seriálmi Cosmos, ktorý spoluvytvoril a uvádzal. Napísal aj román Kontakt, podľa ktorého bol v roku 1997 natočený rovnomenný film s Jodie Fosterovou v hlavnej úlohe.

Podporoval program Hľadania extra-terestriálnej inteligencie - SETI.

Je po ňom pomenovaná planétka 2709 Sagan. Wikipedia  

✵ 9. november 1934 – 20. december 1996   •   Ďalšie mená Karl Seýgan
Carl Sagan fotka
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Carl Sagan citáty a výroky

Carl Sagan: Citáty v angličtine

“There are many hypotheses in science which are wrong. That’s perfectly all right: it’s the aperture to finding out what’s right. Science is a self-correcting process.”

Carl Sagan kniha Cosmos

33 min 20 sec
Zdroj: Cosmos: A Personal Voyage (1990 Update), Heaven and Hell [Episode 4]
Kontext: There are many hypotheses in science that are wrong. That's perfectly alright; it's the aperture to finding out what's right. Science is a self-correcting process. To be accepted, new ideas must survive the most rigorous standards of evidence and scrutiny.
Kontext: There are many hypotheses in science that are wrong. That's perfectly alright; it's the aperture to finding out what's right. Science is a self-correcting process. To be accepted, new ideas must survive the most rigorous standards of evidence and scrutiny. The worst aspect of the Velikovsky affair is not that many of his ideas were wrong or silly or in gross contradiction to the facts; rather, the worst aspect is that some scientists attempted to suppress Velikovsky's ideas. The suppression of uncomfortable ideas may be common in religion or in politics, but it is not the path to knowledge and there is no place for it in the endeavor of science. We do not know beforehand where fundamental insights will arise from about our mysterious and lovely solar system, and the history of our study of the solar system shows clearly that accepted and conventional ideas are often wrong and that fundamental insights can arise from the most unexpected sources.

“Science is only a Latin word for knowledge”

Zdroj: The Varieties of Scientific Experience: A Personal View of the Search for God

“I think the discomfort that some people feel in going to the monkey cages at the zoo is a warning sign.”

Zdroj: The Varieties of Scientific Experience: A Personal View of the Search for God

“Superstition is marked not by its pretension to a body of knowledge but by its method of seeking truth.”

The Varieties of Scientific Experience: A Personal View of the Search for God (2006)

“If we crave some cosmic purpose, then let us find ourselves a worthy goal.”

Carl Sagan kniha Pale Blue Dot

Pale Blue Dot: A Vision of the Human Future in Space (1994)

“We can’t just conclude that science puts too much power into the hands of morally feeble technologists or corrupt, power-crazed politicians and decide to get rid of it. Advances in medicine and agriculture have saved more lives than have been lost in all the wars in history. Advances in transportation, communication, and entertainment have transformed the world. The sword of science is double-edged.”

"Why We Need To Understand Science" in The Skeptical Inquirer Vol. 14, Issue 3 (Spring 1990)
Kontext: I know that science and technology are not just cornucopias pouring good deeds out into the world. Scientists not only conceived nuclear weapons; they also took political leaders by the lapels, arguing that their nation — whichever it happened to be — had to have one first. … There’s a reason people are nervous about science and technology.
And so the image of the mad scientist haunts our world—from Dr. Faust to Dr. Frankenstein to Dr. Strangelove to the white-coated loonies of Saturday morning children’s television. (All this doesn’t inspire budding scientists.) But there’s no way back. We can’t just conclude that science puts too much power into the hands of morally feeble technologists or corrupt, power-crazed politicians and decide to get rid of it. Advances in medicine and agriculture have saved more lives than have been lost in all the wars in history. Advances in transportation, communication, and entertainment have transformed the world. The sword of science is double-edged. Rather, its awesome power forces on all of us, including politicians, a new responsibility — more attention to the long-term consequences of technology, a global and transgenerational perspective, an incentive to avoid easy appeals to nationalism and chauvinism. Mistakes are becoming too expensive.

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