A new manual of the elements of astronomy, descriptive and mathematical .. (1868)
Kiddle, Henry, 1824-1891 · New York, Ivison, Phinney, Blakeman & co.; Chicago, S.C. Griggs & co. · leaf 36
st distancefrom the sun C S, and its leastdistance A S, is equal to the di-ameter of the epicycle. epicycle. c. Tycho Brahe.—Such ingenious but cumbrous hypotheses couldonly be sustained by the most imperfect observations made with therudest instruments ; but when astronomy, as an art of… … * From the Greek words epi, meaning upon, and cycle, a circlecircle upon a circle. that is, a Questions.—6. What is the hypothesis of the epicycle ? Explain by the diagram.c. Tycho Brahe ? Value of his labors, and use made of them by Kepler ? 32 THE ORBITAL REVOLUTIONS acquire, that Ferdinand, king…
Astronomy
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