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 164
otions which are observed from the earth, deduce the corre-sponding motions which would be seen by an observer stationedat the sun. Fig. 64 will serve to show how, by means of a bodysheliocentric parallax (Art. 56), the position which that bodywould have if seen from the suns centre—in other words,… … Fig. 64. VHD, and P the position of a planet when projected upon theplane of the ecliptic. Let the vernal equinox be supposed to liein the direction EV or SV, which two lines must be supposedsensibly to meet when prolonged to the celestial sphere. Drawthe lines EP and SP. Since the distances of the…
Astronomy
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