The heavens above: a popular handbook of astronomy (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908 · New York, Chicago, Potter, Ainsworth, & Co. · leaf 276
Fig, 276. great red spot, which was first observed in July, 1S78,and is still to be seen in October, 1882. It is shownjust above the centre of the disk in Fig. 275. By watch- … ing these spots from day to day, the time of Jupiters axialrotation has been found to be about nine hours and fiftyminutes. 250 ASTRONOMY. 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. Jupiters…
Astronomy
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