The heavens above: a popular handbook of astronomy (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908 · New York, Chicago, Potter, Ainsworth, & Co. · leaf 137
d then stril<es the top of the mountain at M. Thetriangle BAM\s right-angled at A. BA is the radius of themoon, and ^yJ/is known by measurement; BM,^e. hypothe-nuse, may then be found by computation. BM is evidentlyequal to the radius of the moon plus the height of the moun-tain. By one or the… … Fig. 134. mountains on the earth. Compared with the size of themoon, lunar mountains attain a greater height than thoseon the earth. 115. General Aspect of the Lunar Surface. — A cursoryexamination of the moon with a loiv power is sufficient toshow the prevalence of crater-like inequalities and the…
Astronomy
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