A high-school astronomy: in which the descriptive, physical, and practical are combined .. (1853)
Mattison, Hiram, 1811-1868 · New York, F. J. Huntingdon [etc.] · leaf 82
The plain line in the middle figure shows the original form, and the dotted line itspresent form. The difference is the change produced by its rotation. When measuredby the proper instruments, it is found, in the case of Jupiter, to amount to about ,\-of his average diameter; and that being 89,000…
Astronomy
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