Carl Sagan
3Rôles★ 7.2Note moyenne
Carl Edward Sagan (November 9, 1934 - December 20, 1996) 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 de…