The elements of theoretical and descriptive astronomy, for the use of colleges and academies (1901)
White, Charles J. (Charles Joyce), 1839-1917 · New York, J. Wiley & sons; · leaf 28
third is readily obtained. Corollary.— When a celestial body is at its upper culminationat any place, its right ascension is equal to the sidereal time at thatplace. This is evidently true, because the hour angle of a bodywhen at its upper culmination is zero, and hence, from the theorem,the right… … Fig. 4. 10. Theorem.—The latitude of any place on the earths surfaceis equal to the altitude of the elevated pole at that place. Let L(Fig. 4) be some place on theearths surface, Pp the earthsaxis, and EQ the equator. Theline HR, tangent to the earthssurface at L, is the horizon, andZ the zenith,…
Astronomy
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