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Product Description
Is there in fact somewhere among the hundred billion stars of the Galaxy other such beams, perhaps so many to them that our civilization, like our Sun, is to be counted as but one member of a numerous natural class? For such a radio beam cannot come, we think, from any glowing sphere of gas, or drifting beam of particles. It can come only from something like out own complex artificial apparatus, far different from any star or planet, smaller, newer, and much more particular; something we would recognize as the product of other understanding and ingenious beings. That is the topic of this technical report: The Search for Extraterrestrial Intelligence, SETI.
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