A text-book of general astronomy : for colleges and scientific schools (1888)
Young, Charles A. (Charles Augustus), 1834-1908 · Boston ; London : Ginn & Company · leaf 248
un, and at new moon averages 232,150 miles. It variesnot quite 4000 miles each way, and so ranges from 236,050 miles to228,300. The semi-angle of the moons shadow is practically equalto the semi-diameter of the sun seen at the earth, or very nearly 16. 380. The Moons Shadow on the Earths Surface. —… … >to Sun Fig. 129. — The Moons Shadow on the Earth. eccentricity of the moons orbit however, our satellite is much ofthe time considerably nearer than this mean distance, and may comewithin 221,600 miles from the earths centre, or about 217,650miles from its surface. The shadow, also, under…
Astronomy
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