The Cosmic Connection: An Extraterrestrial Perspective by Carl Sagan
Anchor Press; 1st edition | 1973 | English | ISBN: 0385004575 | 274 pages | PDF | 2 MB
Anchor Press; 1st edition | 1973 | English | ISBN: 0385004575 | 274 pages | PDF | 2 MB
The book covers several topics, and focusses mainly on the possibility of extraterrestrial intelligence, the likelihood of the existence of more advanced civilizations, and their distribution in the local galaxy, and in the universe.
Sagan describes the hypothetical opinions of more advanced intelligences and their views of the Earth, as well as communication with mankind. He also discusses the popularity of UFO sightings and attempts mathematically to portray the probability of such events. Sagan also discusses his view of astrology as a pseudoscience.