| 书目名称 | If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY? |
| 副标题 | Fifty Solutions to t |
| 编辑 | Stephen Webb |
| 视频video | http://file.papertrans.cn/462/461092/461092.mp4 |
| 概述 | Comprehensive: Provides 50 theories - both pro and con - regarding the existence of aliens.An evenhanded approach - Webb gives equal credence to each of the theories presented.Appealing to Area 51/X-F |
| 图书封面 |  |
| 描述 | Given the fact that there are perhaps 400 million stars in our Galaxy alone, and perhaps 400 million 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 enormities of the numbers almost demand that we accept the truth of this hypothesis. Why, then, have we encountered no evidence, no messages, no artifacts of these extraterrestrials? Webb discusses in detail the 50 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? |
| 出版日期 | Book Oct 20021st edition |
| 关键词 | Extraterrestrial life; Fermi paradox; earth; science; stars; universe |
| 版次 | 1 |
| doi | https://doi.org/10.1007/b97464 |
| copyright | The Editor(s) (if applicable) and The Author(s) 2002 |