The heavens above: a popular handbook of astronomy (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908 · New York, Chicago, Potter, Ainsworth, & Co. · leaf 223
little change for hours and days.Near the poles they sometimes remain during a whole solarrevolution of twenty-seven days. Sometimes they appearto lie upon the limb of the sun, like a bank of clouds inthe terrestrial horizon, probably because they are so farfrom the edge that only their upper… … ASTRONOMY. 201
Astronomy
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