The heavens above: a popular handbook of astronomy (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908 · New York, Chicago, Potter, Ainsworth, & Co. · leaf 147
al of the lunar craters,extending often to the distance of hundreds of miles.These streaks do not arise from any perceptible differenceof level of the surface, they have no very definite outline, 128 ASTRONOMY. and they do not present any sloping sides to catch moresunlight, and thus shine… … Fig. 143- and they are not visible at all at those regions upon whichthe sun is rising or setting. They are not diverted by eleva-tions in their path, but traverse in their course crater?,mountains, and plains alike, giving a slight additional bright-ness to all objects over which they pass, but…
Astronomy
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