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ISBN13: 9780866533461 ISBN10: 086653346X Material Type: paperback
the new co-publisher of Woof
and always swinging
ISBN13: 9780939165254 ISBN10: 0939165252 Material Type: paperback
The Ballet of the Planets: A Mathematician's Musings on the Elegance of Planetary Motion Spirits ISBN13: 9780866533461 ISBN10: 086653346X MaterialThe Ballet of the Planets unravels the beautiful mystery of planetary motion, revealing how our understanding of astronomy evolved from Archimedes and Ptolemy to Copernicus, Kepler, and Newton. Mathematician Donald Benson shows that ancient theories of planetary motion were based on the assumptions that the Earth was the center of the universe and the planets moved in a uniform circular motion. Since ancient astronomers noted that occasionally a
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