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The Cosmic Connection: An Extraterrestrial Perspective
The Cosmic Connection An Extraterrestrial Perspective Author:Carl Sagan In The Cosmic Connectin, Carl Sagan writes about his great adventures in:
-preparing the way for contace with intelligent beings on planets of other stars.
-space vehicle exploration of the planets
-landing instruments to search for life on Mars
-duplicating the steps that led to the origin of life on Earth, four billion years ago.