Titlebook: Contact with Alien Civilizations; Our Hopes and Fears Michael A. G. Michaud Book 2007 Springer-Verlag New York 2007 Alien.Aliens.Contact.I

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A Belief in Other Minds,For much of their time on Earth, most humans have believed that they share their world with non-human intelligences, particularly spirits that animate natural phenomena. Those spirits could do good, providing rain for crops and granting survival to children. They could do harm, bringing droughts, floods, or disease.

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Searching for Intelligence,Searching our solar system through optical telescopes failed to provide persuasive evidence of extraterrestrial intelligence. To pursue the question further, searchers broadened the quest with new technologies and extended it outward to the stars. This expanded enormously the volume to be searched.

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