Elementary astronomy; a beginner's text-book (1899)
Holden, Edward Singleton, 1846-1914 · New York, H. Holt and company · leaf 56
idians are drawn on the celestialsphere NP, E, Q, SP. Z is the zenith of the observer. Where musthe be in the figure ? He must be on the surface of n, e, q, s, wherealine ZN (zenith to nadir) intersects it. Make a pinprick at thispoint. His terrestrial meridian is the little circle n, e, q, s… … Fig. 14.—Correspondence of the Terrestrial and CelestialMeridians of an Observer.
Astronomy
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