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 281
the planetary year forty-fivehundred eclipses of the moons, and about the same numberof the sun. 259. Transits of Jupiters Satellites. — Whenever oneof Jupiters moons passes in front of the planet, it is saidto make a transit across his disk. When a moon is makinga transit, it presents its bright… … Fig. 283. It will be seen from Fig. 282 that the shadow of a moondoes not fall upon the part of the planets disk that iscovered by the moon : hence we may observe the transitof both the moon and its shadow. The shadow appearsas a small black spot, which will precede or follow themoon according to…
Astronomy
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