Project Gutenberg 2012-06-06 Public domain in the USA. 323 Wallace, Alfred Russel 1823 1913 Wallace, A. R. (Alfred Russel) Wallace, Russell Wallace, Alfred R. Man's Place in the Universe A Study of the Results of Scientific Research in Relation to the Unity or Plurality of Worlds, 3rd Edition Produced by Charlene Taylor, Mark Young and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/Canadian Libraries) "Man's Place in the Universe" by Alfred Russel Wallace is a scientific publication written in the late 19th century. The work explores the implications of scientific research regarding the potential for life beyond Earth, specifically addressing the question of whether our planet is the only abode of organic life in the vast universe. Wallace aims to analyze astronomical, physical, and biological evidence, drawing connections between these fields to understand humankind's unique position within the cosmos. The opening of the book sets a foundation for Wallace's exploration by introducing the historical context of humanity's thoughts on the universe and our place within it. He reflects on early astronomical ideas, notably those held by ancient civilizations, who viewed Earth as the central hub of existence and the heavenly bodies as subordinate to it. Gradually, Wallace ushers readers into modern astronomical perspectives, highlighting the shift in understanding that arose following the discoveries of renowned scientists like Copernicus and Kepler. He emphasizes the rarity of concrete evidence supporting the existence of life on other planets, positing instead that the conditions necessary for life are likely unique to Earth. This opening serves as a prelude to a comprehensive discourse that seeks to systematically evaluate existing theories and build a case for the possibility that Earth is singular in its capacity for supporting life. (This is an automatically generated summary.) Reading ease score: 45.2 (College-level). Difficult to read. en Life Stars Plurality of worlds QB Text Category: Science - Physics Category: Science - Biology Category: Science - Earth/Agricultural/Farming 646250 2025-10-16T08:37:43.316768 text/html 637940 2019-01-31T14:02:58 text/html 3522331 2025-10-16T08:38:15.675676 application/epub+zip 3525973 2025-10-16T08:37:57.527700 application/epub+zip 302356 2025-10-16T08:37:45.727813 application/epub+zip 4941723 2025-10-16T08:38:21.809135 application/x-mobipocket-ebook 4894612 2025-10-16T08:38:04.299714 application/x-mobipocket-ebook 402397 2022-09-18T09:40:51.017522 application/x-mobipocket-ebook 561920 2025-10-16T08:37:42.142897 text/plain; charset=us-ascii 561598 2019-01-31T14:02:58 text/plain; charset=us-ascii 561803 2012-06-06T13:55:54 text/plain; charset=us-ascii 21427 2025-10-16T08:38:21.957091 application/rdf+xml 12322 2025-10-16T08:37:46.294794 image/jpeg 3294 2025-10-16T08:37:46.021756 image/jpeg 195245 2019-01-31T14:03:30 application/octet-stream application/zip 6434258 2019-01-31T14:03:32 application/octet-stream application/zip 195121 2012-06-06T13:55:58 application/octet-stream application/zip 6707320 2025-10-16T08:37:43.428804 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia