A new manual of the elements of astronomy, descriptive and mathematical .. (1868)
Kiddle, Henry, 1824-1891 · New York, Ivison, Phinney, Blakeman & co.; Chicago, S.C. Griggs & co. · leaf 63
iNadir Qxtestions.—T9. What is altitude ? 80. Azimuth ?What is amplitude? 81. What is zenith distancemotion ? a. What is the prime vertical ?82. What are circles o* daily 58 THE HORIZON. Fig. 37. Parallel Sphere … Uadi* Fig. 38. Right Sphere^emtla. Sphere. Pole a. Positions of the Sphere.—The circles ofdaily motion are parallel, perpendicular, or ob-lique to the horizon, according to the place of theobserver upon the surface of the earth. Whenstanding exactly at either of the poles, he wouldhave the…
Astronomy
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