Astronomy for the use of schools and academies (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908, Rolfe, W. J. (William James), 1827-1910 · New York : Potter, Ainsworth, & Co. · leaf 237
At the time of a total eclipse, the moon is not entirelyinvisible, but shines with a faint copper-colored light. Thislight is refracted into the shadow by the earths atmosphere,and its amount varies with the quantity of clouds and vaporin that portion of the atmosphere which the sunlight mustgraze… … ASTRONOMY, 215 including the partial portions of the eclipse, three or fourhours.
Astronomy
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