Astronomy for the use of schools and academies (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908, Rolfe, W. J. (William James), 1827-1910 · New York : Potter, Ainsworth, & Co. · leaf 60
ch, in turn, revolved in a circle around the earth.The circle described by this centre around the earth theycalled the cycle, and the circle described by the planetaround this centre they called the epicycle. ASTRONOMY. 43 38. The Eccentric. — The ancients assumed that theplanets moved at a uniform… … Fig. 5°- account for this they assumed that the cycles described bythe centre, around which the planets revolved, were eccen-tric ; that is to say. that the earth was not at the centreof the cycle, but some distance away from it. as shownin Fig. 51. E is the position of the earth, and C is the 44…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
