Astronomy With the Naked Eye —— A New Geography of the Heavens, With Descriptions and Charts of Constellations, Stars, and Planets

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ISBN: 9781440039034 出版年：2016 页码：316 Garrett Putnam Serviss Forgotten Books

Third, the planets are described in a separate chapter, with illustrations intended to enable the uninitiated reader to follow their paths among the stars and to predict their approximate places for himself. In consequence of their constant motion, the planets cannot be indicated by symbols definitely located on the charts like the fixed stars.