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  Philip's Astronomy Encyclopedia
    : , ,
 
Philip's Astronomy Encyclopedia title=
: Patrick Moore
: Philip's
: 2002
isbn: 0-540-07863-8
: 465
: english
: PDF
: 32
: 1986
Grade 9 Up-This revision of the International Encyclopedia of Astronomy (Orion, 1987; o.p.) is more than just an update, as many entries have been rewritten and offer greater detail. Seven major essays from the original have been deleted, but there are approximately 500 additional articles and numerous color photos. The more than 3000 alphabetical entries cover celestial objects of all kinds; concepts, theories, and methodology of astronomy; observatories; space exploration; and biographical entries on astronomers, astronauts, and cosmonauts. Articles average 5 to 10 per page, but are thorough in their explication of the essentials. While very readable, the subject matter may challenge some students. However, excellent cross-references ease the search for further clarification. Sidebars add information on constellations, and numerous tables provide data on astronomical formations, planets, the Moon, and stars. A list of almost 150 contributors is included, but the individual articles are not signed. The layout of this edition is fresher and more colorful. Spectacular, informative photos appear throughout and outstanding diagrams help explain concepts and equipment. Also included are star maps and keys to symbols, measurements, conversion factors, and the Greek alphabet. This sophisticated encyclopedia fills a gap between Valerie Illingworth and John O. E. Clark's less comprehensive Facts On File Dictionary of Astronomy (Checkmark, 2000), and Paul Murdin's more expansive but less attractive Encyclopedia of Astronomy and Astrophysics (Institute of Physics, 2001). Due to significant changes in the field, libraries will want to replace their older edition with this superior, up-to-date version
 

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