A short course in astronomy and the use of the globes (1871)
Kiddle, Henry, 1824-1891 · New York, Chicago, Ivison, Blakeman, Taylor & co. · leaf 93
ed to be ?Their situation and appearance ? 12 90 JUPITER. nent. These are situated, one on each side of the equator, and areseparated by a clear space somewhat more luminous than the otherparts of the disk. Toward the poles they are narrower and lessdark ; and they imperceptibly fade away a short… … TELESCOPIC VIEWS OF JUPITER. In the cut are given two telescopic views of this planet; thefirst, from a drawing by Sir John Herschel, as it appeared Septem-ber 23d, 1832; the second, by Madler, in 1834. The two darkspots shown in the latter were employed to determine the time ofthe planets…
Astronomy
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