If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY? 在線電子書 pdf 下載 txt下載 epub 下載 mobi 下載 2024

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Stephen Webb 作者

Springer

譯者

2015-5-20 出版日期

434 頁數

USD 29.99 價格

Paperback

叢書系列

9783319132358 圖書編碼

If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY? 在線電子書圖書標籤: 外星文明小說天文物理天文學天纔薦書 Q天文

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If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY? 在線電子書 epub 下載 mobi 下載 pdf 下載 txt 下載 2024

If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY? 在線電子書 epub 下載 pdf 下載 mobi 下載 txt 下載 2024

If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY? 在線電子書 pdf 下載 txt下載 epub 下載 mobi 下載 2024

If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY? 在線電子書用戶評價

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If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY? 在線電子書著者簡介

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.

If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY? 在線電子書著者簡介

If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY? 在線電子書 pdf 下載 txt下載 epub 下載 mobi 在線電子書下載

If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY? 在線電子書圖書描述

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?

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