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 276
i-nous on rising into the higher and cooler regions of theatmosphere. Figs. 275 and 276 show the disk of Jupiteras it appeared in December, 1881. 255. Rotation of Jupiter. — Spots are sometimes visible ASTRONOMY. 249 which are much more permanent than the ordinary mark-ings on the belts. The most… … Fig. 277.ing these spots from day to day, the time of Jupiters axialrotation has been found to be about nine hours and fiftyminutes. 250 ASTRONOMY, 1 The axis of Jupiter deviates but slightly from a perpen-dicular to the plane of its orbit, as is shown in Fig. 277. THE SATELLITES OF JUPITER, 256.…
Astronomy
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