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 244
Fig. 244. Fig. 243. moon, whenever it does occur, is visible to a whole hemisphereat a time, while an eclipse of the sun is visible to only a por-tion of a hemisphere, and a total eclipse to only a very smallportion of a hemisphere. A total eclipse of the sun is, there-fore, a very rare occurrence…
Astronomy
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