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Purchase includes a free trial membership in the publisher's book club where you can select from more than a million books without charge. Chapters: National Australian Convention of Amateur Astronomers, Anushandhitshu Chokro Science Organization, International Astronomical Youth Camp, Miami Valley Astronomical Society, Association in Scotland to Research Into Astronautics, Confederation of Indian Amateur Astronomers, Mars Society Australia, American Association of Variable Star Observers, Khagol Vishwa, Stellafane, Systemic, American Meteor Society, Royal Astronomical Society of Canada, Mansfield and Sutton Astronomical Society, Hoober Observatory, Astronomical Society of Southern Africa, Atlanta Astronomy Club, Astronomical Society Ruđer Bošković, Dunedin Astronomical Society, Kielder Observatory, Von Braun Astronomical Society, Society for Popular Astronomy, Sutherland Astronomical Society, Louisville Astronomical Society, Escambia Amateur Astronomers Association, Group 70, Mexborough ... Read more

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An Amateur Astronomer's Guide to Gravity
by: William K. Vogeler
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This volume is produced from digital images created through the University of Michigan University Library's large-scale digitization efforts. The Library seeks to preserve the intellectual content of items in a manner that facilitates and promotes a variety of uses. The digital reformatting process results in an electronic version of the original text that can be both accessed online and used to create new print copies. The Library also understands and values the usefulness of print and makes reprints available to the public whenever possible. This book and hundreds of thousands of others can be found in the HathiTrust, an archive of the digitized collections of many great research libraries. For access to the University of Michigan Library's digital collections, please see http://www.lib.umich.edu and for information about the HathiTrust, please visit http://www.hathitrust.org ... Read more

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This book introduces the beginning astronomy student to the basic foundational concepts of physical, chemical and optical laws before mentioning the more complexconcepts such "stellar evolution" or "double stars." There are more than twenty black and white photos, and more than forty drawings to illustrate the text. ... Read more