Project Gutenberg 2006-02-07 Public domain in the USA. 56 Elger, Thomas Gwyn 1836 1897 Elger, T. Gwyn (Thomas Gwyn) 01005387 The moon : $b a full description and map of its principal physical features Reading ease score: 64.9 (8th & 9th grade). Neither easy nor difficult to read. Produced by Steve Ridgway "The Moon: A Full Description and Map of Its Principal Physical Features" by Thomas Gwyn Elger is a scientific publication written in the late 19th century. The work serves as an extensive guide for lunar observers, illustrating the moon's physical characteristics and providing detailed maps for reference. The book is tailored for both serious astronomers and those with a general interest in astronomy, aiming to enhance understanding of the moon's surface features. The opening portion of the book sets the stage for an in-depth exploration of lunar topography, emphasizing the work's dual purpose as a reference for telescopic observation and a means of organizing lunar research. Elger discusses the advancements in lunar observation since Galileo's time, acknowledging the contributions of various astronomers who have mapped and named lunar features. He introduces the various categories of lunar formations, such as maria (seas), ridges, craters, and rills (clefts), while highlighting the significance of those observations in the study of selenography. The preface articulates the need for systematic observation techniques, presenting a foundation upon which the subsequent chapters build deeper insights. (This is an automatically generated summary.) en Moon QB Text Browsing: Science - Astronomy Browsing: Science - General 462269 462210 2024-10-08T04:32:57.132119 2023-09-08T06:54:56.494162 text/html text/html 462262 462203 2024-10-08T04:32:57.401090 2023-09-08T06:54:56.643147 text/html text/html 218968 2024-10-08T04:33:04.724242 application/epub+zip 226226 2024-10-08T04:33:00.071065 application/epub+zip 209156 2024-10-08T04:32:58.896089 application/epub+zip 379328 2024-10-08T04:33:08.388007 application/x-mobipocket-ebook 358592 2024-10-08T04:33:04.021071 application/x-mobipocket-ebook 338955 2022-09-08T12:36:45.049409 application/x-mobipocket-ebook 434353 434345 2024-10-08T04:32:56.732115 2023-09-08T06:54:56.122174 text/plain; charset=us-ascii text/plain 434267 2006-02-07T15:10:22 text/plain; charset=us-ascii 139994 2006-02-07T15:10:22 text/plain; charset=us-ascii application/zip 18781 2024-10-08T04:33:08.521020 application/rdf+xml 9077 2024-10-08T04:32:59.442061 image/jpeg 2299 2024-10-08T04:32:59.171115 image/jpeg 215754 2024-10-08T04:32:57.434092 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://www.gutenberg.org/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia