卡尔·萨根

Billions and Billions: Thoughts on Life and Death at the Brink of the Millennium, published by Random House in 1997, is the last book written by renowned American astronomer and science popularizer Carl Sagan before his death in 1996. The book is a collection of essays Sagan wrote covering diverse topics like global …

Broca's Brain: Reflections on the Romance of Science is a 1979 book by astrophysicist Carl Sagan. Its chapters were originally articles published between 1974 and 1979 in various magazines, including Atlantic Monthly, New Republic, Physics Today, Playboy and Scientific American. In the introduction, Sagan writes: …

Contact is a 1985 science fiction novel by Carl Sagan. It deals with the theme of contact between humanity and a more technologically advanced, extraterrestrial life form. It ranked No. 7 on the 1985 U.S. bestseller list. The novel originated as a screenplay in 1979; when development of the film stalled, Sagan decided …

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. There is a new Introduction by Sagan's collaborator, Ann Druyan, full color …