The elements of theoretical and descriptive astronomy, for the use of colleges and academies (1872)
White, Charles J. (Charles Joyce), 1839-1917 · Philadelphia, Claxton, Remsen & Haffelfinger · leaf 94
a revolution of the earth, from westto east,* would give to the sun precisely that apparent motion in the ecliptic which has been ob-served. This may be seen in Fig.38. Let S be the sun, EEE theearths orbit, and the outer circleSSffS the great circle in whichthe plane of the ecliptic, indefi-nitely… … * Whatever the absolute motion of any celestial body moving in a circleor an ellipse may be, the appearance presented in that motion will be re-versed if the spectator moves from one side of the plane in which themotion is performed to the other. Thus, the apparent daily motion to thewestward of…
Astronomy
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