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Carl Sagan Facts

Carl Edward Sagan was an American astronomer, cosmologist, astrophysicist, astrobiologist, author, science popularizer, and science communicator in astronomy and other natural sciences. He is best known for his work as a science popularizer and 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 now accepted hypothesis that the high surface temperatures of Venus can be attributed to and calculated using the greenhouse effect. Sagan published more than 600 scientific papers and articles and was author, co-author or editor of more than 20 books. (1934 – 1996)

Quotes by Carl Sagan

Every one of us is, in the cosmic perspective, precious. In a hundred billion galaxies, you will not find another.
Carl Sagan

For small creatures such as we the vastness is bearable only through love.
Carl Sagan

If you want to make an apple pie from scratch, you must first create the universe.
Carl Sagan

Imagination will often carry us to worlds that never were. But without it we go nowhere.
Carl Sagan

It is of interest to note that while some dolphins are reported to have learned English -- up to fifty words used in correct context -- no human being has been reported to have learned dolphinese.
Carl Sagan

Science is not only compatible with spirituality; it is a profound source of spirituality.
Carl Sagan

We are like butterflies who flutter for a day and think it is forever.
Carl Sagan

We're made of star stuff. We are a way for the cosmos to know itself
Carl Sagan

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