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E-book If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY?: Sevent…
Given the fact that there are perhaps 400 billion stars in our Galaxy alone, and perhaps 400 billion galaxies in the Universe, it stands to reason that somewhere out there, in the 14-billion-year-old cosmos, there is or once was a civilization at …
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ISBN/ISSN9783319132358
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No. Panggil001.9 WEB i