Elements of astronomy: accompanied with numerous illustrations, a colored representation of the solar, stellar, and nebular spectra, and celestial charts of the northern and the southern hemisphere (1875)
Lockyer, Norman, Sir, 1836-1920 · New York, D. Appleton and company · leaf 132
l Moon would be hidden in thatshadow. Such phenomena are called Eclipses, and theydo happen sometimes; let us see under what circum-stances. 238. Eclipses explained.—One-half of the Moons jour-ney is performed above the plane of the ecliptic, one-halfbelow it; hence at certain times—twice in each… … Fig. 54.—Explanation of Solab and LunarEclipses. —the Moon is in thatplane, at those partsof it called theNodes. Now, if theMoon, when in eithernode, happens to bein line with the Earthand Sun, we have aneclipse. If the Moonis new, it is directlybetween the Earthand the Sun, and theSun is eclipsed.…
Astronomy
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