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 284
half, moving inhis orbit at the rate of about six miles a second. The ASTRONOMY. 257 planet passes from opposition to opposition again in aperiod of three hundred and seventy-eight days, or thirteendays over a year. 267. Physical Constitution of Saturn. — The physicalconstitution of Saturn seems to… … Fig. 286. smaller it appears : hence there is a double difficulty inexamining the more distant planets. Under favorable cir-cumstances, the surface of Saturn is seen to be diversifiedwith very faint markings ; and, with high telescopic powers,two or more very faint streaks, or belts, may be…
Astronomy
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