The geography of the heavens and classbook of astronomy; (1863)
Burritt, Elijah H. (Elijah Hinsdale), 1794-1838, Mattison, Hiram, 1811-1868, Whitall, Henry, 1819-1887? Celestial planisphere. [from old catalog] · New York, Mason brothers; Boston, Mason & Hamlin; [etc., etc.] · leaf 209
orbit; and a line joining them, the line of the apsides. See the Moon in apogee and perigee in the cut. Thesingular of apsides is apsis. S 410. The line of the apsides of the Moons orbit is not fixed in the ecliptic,but revolves slowly around the ecliptic, 408. The Moons distance? Daily motion in… … THE MOON HER MOTIONS, PHASES, ETC. 207 from west to east, in the period M0TI0N op THB amides. of about nine years. In the adjoining cut, an attempt is made torepresent this motion. At A, the line of theapsides points directly to the right and left;but at B, C, and D, it is seen changing…
Constellations · Stars
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