Peck, William G. (William Guy), 1820-1892 · New York, Chicago, A. S. Barnes & company · leaf 135
f the mountain systems is shown in Fig. 55. 130 ASTROHOMY. 101. The roughness of a large portion of the lunar sur-face is much greater than that of our most mountainousregions. The ridges everywhere show an abruptness of de^clivity and a sharpness of outline which seem to precludeall idea of the… … Fig. 54. Telescopic Appearance of the Moon. From a photograph toy Prof.Henry Draper. 102. A striking feature in the lunar topography is thetendency of its mountain forms to a circular arrangement.The number of crater-like objects that are shown by a good THE MOON. 131 telescope amounts to many…
Astronomy
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