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 103
direction in which the body would be seen from A, andCB the direction in which it would be seen from C. The dif-ference of these directions, or the angle ABC, is the parallaxof the body. The triangle BA C is right-angled at A; the side A C is theradius of the earth, and the hypothenuse is the… … i ASTRONOMY. 87 grows less and less as the body passes from the horizontowards the zenith. The parallax of a body and its altitudeare, however, so related, that, when we know the parallax atany altitude, we can readily compute the horizontal parallax. The usual method of finding the parallax of one…
Astronomy
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