A high-school astronomy: in which the descriptive, physical, and practical are combined .. (1853)
Mattison, Hiram, 1811-1868 · New York, F. J. Huntingdon [etc.] · leaf 112
224. What are occultations f How produced ? (Are they frequent ? Areplanets ever occulted? Describe process.) 225. What is the form of the moons orbit with respect to the earth ? Thesun? (How if the earth were stationary? If moving slowly? Demon-strate her orbit to be concave, &c. Draw orbit… … moons path. Here the plain line represents the earths orbit, and the dotted one that of the moon.At A the moon crosses the earths track 240,000 miles behind her. She gains on theearth, till in seven days she passes her at B as a Full Moon. Continuing to gain onthe earth, she crosses her orbit at C,…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
