Peck, William G. (William Guy), 1820-1892 · New York, Chicago, A. S. Barnes & company · leaf 123
parallax may be found by the followingmethod. y Explanation. The curve PQPE repre- \,f sents a meridian section of the earth; EQ, ^-<- the equator ; A, B, two stations on the me- ,-- S/ ridian ; and M, the apparent place of the -- y/ moon when on the meridian. • The geocentric latitudes of A… … Fig. 49. Method of finding Dis-tance of Moon. THE MOON. 119 tance ZAM, diminished by CAB, gives BAM ; and in like manner wehave MBA ; hence, the angle AMB and the distance AM can be found.Knowing CA, AM, and the angle CAM, we can compute CM, which isthe moons distance, and CMA, which is the…
Astronomy
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