The geography of the heavens, and class-book of astronomy: accompanied by a celestial atlas (1873)
Burritt, Elijah H. (Elijah Hinsdale), 1794-1838, Mattison, Hiram, 1811-1868, ed, Whitall, Henry, 1819-1887? Celestial planisphere · New York, Sheldon & company · leaf 214
See the Moon in apogee and perigee in the cut. T!iesingular of apsides is apsis. 410. The line of the apsides of theMoons orbit is not fixed in the ecliptic,but revolves slowly around the ecliptic, 408. The Moons distance? Daily motion in orbit? How many degrees? 409Perigee and Apogee? Derivation?… … from west to east, in the periodof 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 itsdirection, till at E the change is very percep-tible when compared…
Constellations · Stars
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