Moderator warning: The file contains also a publication that is COVID-19 denialism propaganda.
Main Astronomy by OpenStax (hardcover version, full color)Astronomy by OpenStax (hardcover version, full color) Andrew Fraknoi: Foothill College, David Morrison: National Aeronautics and Space Administration, Sidney C. Wolff: National Optical Astronomy Observatory (Emeritus)0 / 0 0 comments ABOUT THE BOOK: Astronomy is designed to meet the scope and sequence requirements of one- or two-semester introductory astronomy courses. The book begins with relevant scientific fundamentals and progresses through an exploration of the solar system, stars, galaxies, and cosmology. The Astronomy textbook builds student understanding through the use of relevant analogies, clear and non-technical explanations, and rich illustrations. Mathematics is included in a flexible manner to meet the needs of individual instructors. Year:2016Edition:1Publisher:XanEdu Publishing IncLanguage:EnglishPages:1206ISBN 10:1938168283File:PDF, 38.94 MB Download (pdf, 38.94 MB)Toggle Dropdown Preview Send-to-Kindle or Email Most frequently terms http1344galaxies1290planets1251solar1206universe1184galaxy1119planet924astronomers819telescope803solar system733astronomy711openstax book603free at http600mars571atmosphere566objects522nasa521temperature488radiation487hydrogen483dust466orbit457https432kilometers423gravity421giant418modification of work409density401observations377venus374milky way369evolution368billion344black holes339hubble339jupiter337interstellar325gravitational321orbits316distances314formation313planetary312disk304telescopes303moons302particles301luminosity297spectrum296region291spacecraft291celestial287asteroids284sequence282diameter280helium278scientists278cosmic277comets267clusters266atoms265

Someone appended a second book - Perceptions of a Renegade Mind, which is junk. The Astronomy book is complete though an

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