Berry, Arthur,b. 1862 · London, J. Murray · leaf 77
o made anumber of valuable observations of the planets, the sun,etc., of which succeeding astronomers, notably Hipparchusand Ptolemy, were able to make good use. 31,. Among the important contributions of the Greeksto astronomy must be placed the development, chiefly fromthe mathematical point of… … 7Fig. 14.—The equator and the ecliptic. however, a series of minor treatises or textbooks, writtenfor the most part during the Alexandrine period, dealingwith this branch of the subject (known generally asSpherics, or the Doctrine of the Sphere), of which thePhenomena of the famous geometer Euclid…
Astronomy
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