The heavens above: a popular handbook of astronomy (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908 · New York, Chicago, Potter, Ainsworth, & Co. · leaf 146
s the valley-near the centre of the range. It is more than seventy-fivemiles long, and about six miles wide at the broadest part.When examined under favorable circumstances, with a highmagnifying power, it is seen to be a vast flat-bottomedvalley, bordered by gigantic mountains, some of whichattain… … Fig. 142. and shown in Fig. 142. Its height exceeds eight thousandfeet, and it is about three times as long at the base as it isbroad. The summit is cleft into three peaks, as is shownby the three-peaked shadow it casts on the plain. 122. Bright Rays. — About the time of full moon, witha telescope…
Astronomy
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
