The Cosmos is all that is or ever was or ever will be. Our feeblest contemplations of the Cosmos stir us — there is a tingling in the spine, a catch in the voice, a faint sensation as if a distant memory, of falling from a height. We know we are approaching the greatest of mysteries.

Carl Sagan in Cosmos

About Carl Sagan

Portrait of Carl Sagan

Carl Edward Sagan (; SAY-gən; November 9, 1934 – December 20, 1996) was an American astronomer 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. He...

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