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 124
earth): but even here there is considerable exaggeration.The complete serpentine path of the moon around the sun isshown, greatly exaggerated, in Fig. 123, the broken line beingthe path of the earth. The path described by the moon through space is much thesame as that described by a point on the… … Fig. 124. fastened so as to mark upon the wall), the curve described willsomewhat resemble that described by the moon. This curveis called an epicycloid, and it will be seen that at every pointit is concave towards the centre of the larger disk. In thesame way the moons orbit is at eveiy point…
Astronomy
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