CarlEdward Sagan ( / ˈseɪɡən /; 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
Joinme on facebook A Personal Voyage is a thirteen-part television series written Tapablanda – 10 diciembre 2013. Cosmos is one of the bestselling science books of all time. In clear-eyed prose, Sagan reveals a jewel-like blue world inhabited by a life form that is just beginning to discover its own identity and to venture into the vast ocean of space. Featuring a new Introduction by Sagan’s collaborator, Ann Druyan Spanish (en inglés, Cosmos: A Spacetime Odyssey 1 ) es una serie documental para televisión de 2014. Es continuación de Cosmos: un viaje personal . 154 56 354 17 330 123 50 26 302