The heavens above: a popular handbook of astronomy (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908 · New York, Chicago, Potter, Ainsworth, & Co. · leaf 141
appear in the figure, nor are they seen upon the moon, 122 ASTRONOMY. except at and near the full phase. They show conspicu-ously, however, by their united histre on the full moon. This crater is seen just to the south-west of the largedusky plain in the upper part of Fig. 132. This plain isMare… … Fig. 137- is also seen in Fig. 135, a little to the left of the samerange. Under circumstances specially favorable, myriads of com-paratively minute but perfectly formed craters may be ob-served for more than seventy miles on all sides aroundCopernicus. The district on the south-east side is…
Astronomy
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