The heavens above: a popular handbook of astronomy (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908 · New York, Chicago, Potter, Ainsworth, & Co. · leaf 63
fthe planets became more ac-curately known, it was foundnecessary to make the system^8- SI- of cycles, epicycles, and eccen- trics exceedingly complicated to represent that motion. The Copernican System. 39. Copernicus. — Copernicus simplified the Ptolemaicsystem greatly by assuming that the earth… … Tycho Brakes System. 40. Tvcho Brake. — Tycho Brahe was the greatest of theearly astronomical observers. He, however, rejected the sys-tem of Copernicus, and adopted one of his own, which wasmuch more complicated. He held that all the planets butthe earth revolved around the sun, while the sun and…
Astronomy
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