Is there anyone out there? The question of whether or not alien intelligent life exists elsewhere in the Universe has fascinated mankind for hundreds of years. Until relatively recently, this was merely the stuff of science fiction, but since the middle of the twentieth century astronomers have been able to seriously investigate the possibility of there being other civilisations out there, civilisations with whom we could make contact, instead of just speculating. SETI, the Search for Extra-Terrestrial Intelligence, is a branch of astronomy actively engaged with detecting signs that we are not alone. This book tells the story of this search.

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• Science & MathsAstronomy

• Publication Date: July 28, 2015
• Text-to-Speech: Disabled
• Lending: Disabled
• Print Length: 127 Pages
• File Size: 185 KB