A New Treatise On Astronomy, And the Use of Globes : in Two Parts ...
The book A New Treatise On Astronomy, And the Use of Globes : in Two Parts ... was written by author M'intire, James, 1799-1879 Here you can read free online of A New Treatise On Astronomy, And the Use of Globes : in Two Parts ... book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A New Treatise On Astronomy, And the Use of Globes : in Two Parts ... a good or bad book?
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147. Describe the astronomical sign of Saturn. Of what is it an em- blem ! 148. How many satellites attend Saturn ? By whom, and when was the 6lh discovered ! By whom, and when, were the 3d, 4th, 5th, and 7th discovered ? By whom, and when, were the 1st and 2d discovered ! What is said of the telescopes reqmred for the observations of these sat- ellites, particularly the Ist and 2d 9 SATUEN- -HIS SA'l rELi SAT. D. H. M. s. 1 sid. rev. 22 37 23 2 ti tt 1 8 53 9 3 CI tt 1 21 18 26 4 " " 2 17 44 5...1 5 tt tt 4 12 25 11 6 tt tt 15 22 41 13 1 " " V9 7 54 37 TES AND RINGS. 113 MILES. dist. from S. 120,000 154,000 189,000 " " 244,000 341,000 791,000 " 2,306,000 149. Magnitudes, &o. The satellites of Saturn, owing to their great distance from us, appear very small, and consequently, their real magnitudes are not well known. The 7th is the largest, and according to Sir John Herschel, is nearly equal in size to the planet Mars. From the 7th, or most distant, they are said to diminish inward. The orbits of the satellites are in the plane of Saturn's ring, except that of the 7 th, which is considerably inclined to it ; and since the ring coincides with the planet's equator, which latter plane makes an angle of 29° (146) with Saturn's orbit, it fol- lows that they will be but seldom eclipsed, and only when Saturn is in or near one of the nodes of their orbits.
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