| 书目名称 | If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY? | | 副标题 | Seventy-Five Solutio | | 编辑 | Stephen Webb | | 视频video | | | 概述 | Is beautifully written, concise, but thorough, interesting, and thought-provoking.Gives a unique account of the Fermi paradox and its possible solutions.Provides extensive information about sources an | | 丛书名称 | Science and Fiction | | 图书封面 |  | | 描述 | .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 least as advanced as our own. The sheer enormity of the numbers almost demands that we accept the truth of this hypothesis. Why, then, have we encountered no evidence, no messages, no artifacts of these extraterrestrials? .In this second, significantly revised and expanded edition of his widely popular book, Webb discusses in detail the (for now!) 75 most cogent and intriguing solutions to Fermi‘s famous paradox: If the numbers strongly point to the existence of extraterrestrial civilizations, why have we found no evidence of them?.Reviews from the first edition:."Amidst the plethora of books that treat the possibility of extraterrestrial intelligence, this one by Webb … is outstanding. … Each solution is presented in a very logical, interesting, thorough manner with accompanying explanations and notes that the intelligent layperson can understand. Webb digs into the issues … by considering a very broad set of in-depth solutions that he a | | 出版日期 | Book 2015Latest edition | | 关键词 | Aliens and UFOs; Cosmic Biology; Extraterrestrial Life; Fermi Paradox; Rare Earth Hypothesis; SETI | | 版次 | 2 | | doi | https://doi.org/10.1007/978-3-319-13236-5 | | isbn_softcover | 978-3-319-13235-8 | | isbn_ebook | 978-3-319-13236-5Series ISSN 2197-1188 Series E-ISSN 2197-1196 | | issn_series | 2197-1188 | | copyright | Springer International Publishing Switzerland 2015 |
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发表于 2025-3-21 20:07:17
