A text-book of general astronomy : for colleges and scientific schools (1888)
Young, Charles A. (Charles Augustus), 1834-1908 · Boston ; London : Ginn & Company · leaf 178
ng ranges, suchas the Alps, the Andes, and Himalayas. On the moon such moun-tain ranges are few in number, though they exist : but the surface ispitted all over with great craters, resembling very closely the vol-canic craters on the earths surface, though on an immensely greaterscale. One of the… … Fig. 84. — A Normal Lunar Crater (Nasmj ill). over 100 miles across, while smaller ones from a half-mile to eightor ten miles in diameter are counted by the thousand. The normal lunar crater is nearly circular, surrounded by an ele-vated ring of mountainswhich rise anywhere from1000 to 20,000 feet…
Astronomy
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