We are, each of us, a multitude. - Carl Sagan

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We are, each of us, a multitude.

Carl Sagan

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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 • 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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Stanisław Lem Richard Dawkins Arthur C. Clarke Michael Crichton Neil deGrasse Tyson

Additional quotes by Carl Sagan

All the explanations proposed seem to be
only partly satisfactory. They range from massive climatic change to mammalian predation to the extinction of a plant with apparent laxative properties, in which case the dinosaurs died of constipation.

Of all the planets, moons, asteroids, and comets in our Solar System, there is fire only on Earth — because there are large amounts of oxygen gas, O2, only on Earth. Fire was, much later, to have profound consequences for life and intelligence. One thing leads to another.

Fear of death, which in some respects is adaptive in the evolutionary struggle for existence, is maladaptive in warfare. Those cultures that teach an afterlife of bliss for heroes — or even for those who just did what those in authority told them — might gain a competitive advantage.

We are, each of us, a multitude. - Carl Sagan

About Carl Sagan

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