On the Radio Astronomical Quest for Extraterrestrial Intelligence
Human beings have long been fascinated by the possibility of the existence of extraterrestrial intelligence (ET). As long ago as 50 BC, Lucretius wrote:
Nothing in the universe is unique and alone and therefore in other regions there must be other earths inhabited by different tribes of men and breeds of beasts.
KeywordsSETI Equation Complex Organism SETI Program Cambrian Explosion Hide Attraction
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