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Carl Edward Sagan (/ ˈ s eɪ ɡ ən /; SAY-gən; November 9, 1934 – December 20, 1996) was an American astronomer, planetary scientist and science communicator.His best known scientific contribution is his research on the possibility of extraterrestrial life, including experimental demonstration of the production of amino acids from basic chemicals by exposure to light.
Billions and Billions: Thoughts on Life and Death at the Brink of the Millennium is a 1997 book by the American astronomer and science popularizer Carl Sagan. The last book written by Sagan before his death in 1996, [ 1 ] it was published by Random House .
In 1978, Sagan predicted that because of science fiction, "I know many young people who would, of course, be interested, but in no way astounded, were we to receive a message tomorrow from an extraterrestrial civilization". [2] In 1981, Simon & Schuster gave Sagan a $2 million advance on the novel. At the time, "the advance was the largest ever ...
Salzman Sagan co-authored the book Murmurs of Earth with her husband, astronomer Carl Sagan, whom she married on April 6, 1968; the marriage lasted until their divorce in 1981. [3] Salzman Sagan was the mother of author and screenwriter Nick Sagan. [2] Linda Salzman Sagan died in Ithaca, New York, on November 22, 2023, at the age of 83. [4]
The Dragons of Eden: Speculations on the Evolution of Human Intelligence is a 1977 book by Carl Sagan, in which the author combines the fields of anthropology, evolutionary biology, psychology, and computer science to give a perspective on how human intelligence may have evolved.
The Varieties of Scientific Experience: A Personal View of the Search for God is a book collecting transcribed talks on the subject of natural theology that astronomer Carl Sagan delivered in 1985 at the University of Glasgow as part of the Gifford Lectures. [1] The book was first published posthumously in 2006, 10 years after his death.
Following Sagan's death in 1997, Ithaca's Sciencenter created the Sagan Planet Walk in the astronomers honor a 1.2 kilometer model of the Solar System on a 1 to 5 billion scale, crossing through ...
Ann Druyan (/ d r iː ˈ æ n / dree-ANN; [1]) is an American documentary producer and director specializing in the communication of science.She co-wrote the 1980 PBS documentary series Cosmos, hosted by Carl Sagan, whom she married in 1981.