Moulton, Forest Ray, 1872-1952 · New York, The Macmillan company · leaf 256
Fig. 75. — The moon at 9| days. Photographed at the Yerkes Observatory. mountains on the earth were relatively as large, they wouldbe more than 15 miles high. The height of the lunar moun-tains is undoubtedly due, at least in part, to the low surface CH. VII, 135] THE MOON 209 gravity on the moon,… … Fig. 76. — Outline map of the moon. For example, in Fig. 77 the crater Theophilus is a littlebelow the center, and in its interior are three lofty moun-tains whose sharp, spirelike shadows stretch off to the left.Since the size of the moon and the scale of the photographare both known, the lengths…
Astronomy
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