Young, Charles A. (Charles Augustus), 1834-1908, Young, Anne Sewell, b. 1871., ed · Boston, New York [etc.] Ginn and Company · leaf 109
K, follows at once. 1 The solution is effected as follows: (1) In the triangle BOC, we havegiven BO, OC, and the included angle BOC. Hence we can find the sideBC, and the two angles OBC and OCB. (2) In the triangle BCM, BCis now known, and the two angles MBC and MCB are got by simply sub-tracting… … Fig. 30. — Determination of the Moons Parallax. 96 PARALLAX, DISTANCE, AND VELOCITY. [§150 150. Parallax, Distance, and Velocity of the Moon. — The moons equatorial horizontal parallax is found to average3422.0 (57 2.0), according to Neison, but varies consider-ably on account of the eccentricity…
Astronomy · Constellations
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