Astronomy for the use of schools and academies (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908, Rolfe, W. J. (William James), 1827-1910 · New York : Potter, Ainsworth, & Co. · leaf 29
l circle whichpasses through the north andsouth points of the horizonis called the meridian; andthe one which passes throughthe east and west points, the -prime vertical. These twocircles are shown in Fig. 15 ;SZN being the meridian,and E Z JV the prime verti-cal. These two circles areat right… … ASTRONOMY. 13 zenith distance is its distance from the zenith. Both thealtitude and the zenith distance of a body are measured onthe vertical circle which passes through the body. The alti-tude and zenith distance of a heavenly body are comple-ments of each other. 10. Azimuth and Amplitude.…
Astronomy
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