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If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY? 2024 pdf epub mobi 电子书

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If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY? 2024 pdf epub mobi 电子书 著者简介

Since gaining a BSc in physics from the University of Bristol and a PhD in theoretical physics from the University of Manchester, Stephen Webb has worked in a variety of universities in the UK. He is a regular contributor to the Yearbook of Astronomy series and has published an undergraduate textbook on distance determination in astronomy and cosmology as well as several popular science books. His interest in the Fermi paradox combines lifelong interests in both science and science fiction.

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发表于2024-05-18

If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY? 2024 pdf epub mobi 电子书

If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY? 2024 pdf epub mobi 电子书

If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY? 2024 pdf epub mobi 电子书


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出版者:Springer
作者:Stephen Webb
出品人:
页数:434
译者:
出版时间:2015-5-20
价格:USD 29.99
装帧:Paperback
isbn号码:9783319132358
丛书系列:

图书标签: 外星文明  小说  天文物理  天文学  天才荐书  Q天文   

If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY? 2024 pdf epub mobi 电子书 图书描述

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?

If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY? 2024 pdf epub mobi 电子书
If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY? 2024 pdf epub mobi 电子书
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If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY? 2024 pdf epub mobi 电子书

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