Young, Charles A. (Charles Augustus), 1834-1908, Young, Anne Sewell, b. 1871., ed · Boston, New York [etc.] Ginn and Company · leaf 182
0 miles. It varies not quite 4000 miles each way, rang-ing from 236,050 to 228,300 miles. Since the mean length of the shadow is less than the meandistance of the moon from the earth (238,800 miles), it is evi-dent that on the average the shadow will fall short of theearth. On account of the… … —> To Sun Fig. 63. —The Moons Shadow on the Earth. same time the shadow happens to have its greatest possiblelength, its point may reach nearly 18,400 miles beyond theearths surface. In this case the cross-section of the shadowwhere the earths surface cuts it (at O in Fig. 63) will beabout 168…
Astronomy · Constellations
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