Project Gutenberg 2011-01-03 Public domain in the USA. 429 Comstock, George C. (George Cary) 1855 1934 Comstock, George Cary A Text-Book of Astronomy Produced by Chris Curnow, Iris Schimandle, Lindy Walsh and the Online Distributed Proofreading Team at http://www.pgdp.net "A Text-Book of Astronomy" by George C. Comstock is a scientific publication written in the early 20th century. The work serves as an educational resource, concentrating on the principles and measurements needed for the study of astronomy, as well as various astronomical phenomena and celestial mechanics. The book is designed with a practical approach that emphasizes hands-on observational methods for both students and teachers. The opening of the text outlines Comstock's intent to provide a structured educational framework rather than a comprehensive compendium of astronomy. It emphasizes the importance of accurate measurement in astronomy, introducing the necessary tools and techniques to observe and record celestial phenomena. Through practical exercises, students are encouraged to engage directly with the night sky, measure angles and time, and explore the diurnal motion of stars. The initial chapters also discuss the foundational concepts of angles and time measurement, vital for the practical study of celestial bodies, setting a tone of active learning that characterizes the entire textbook. (This is an automatically generated summary.) Reading ease score: 60.2 (8th & 9th grade). Neither easy nor difficult to read. en Astronomy QB Text Astronomy Category: Science - Earth/Agricultural/Farming Category: Teaching & Education 878689 2025-07-14T08:16:28.599787 text/html 849560 2011-01-03T14:55:12 text/html 20798586 2025-07-14T08:16:59.104588 application/epub+zip 20769413 2025-07-14T08:16:38.355647 application/epub+zip 354970 2025-07-14T08:16:31.486701 application/epub+zip 21081722 2025-07-14T08:17:10.915504 application/x-mobipocket-ebook 20953778 2025-07-14T08:16:50.339661 application/x-mobipocket-ebook 540770 2022-09-16T05:25:39.930341 application/x-mobipocket-ebook 675904 2025-07-14T08:16:25.852761 text/plain; charset=us-ascii 675733 2011-01-03T14:55:08 text/plain; charset=us-ascii 675492 2011-01-03T15:09:44 text/plain; charset=us-ascii 20988 2025-07-14T08:17:11.163532 application/rdf+xml 14073 2025-07-14T08:16:32.118730 image/jpeg 3766 2025-07-14T08:16:31.828692 image/jpeg 230557 2011-01-03T15:11:18 application/octet-stream application/zip 21156834 2011-01-03T15:11:20 application/octet-stream application/zip 230275 2011-01-03T15:11:18 application/octet-stream application/zip 23965147 2025-07-14T08:16:29.298821 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