The young gentleman's astronomy, chronology, and dialling ... / [Edward Wells].

  • Edward Wells
Date:
[1712]
Catalogue details

Licence: Public Domain Mark

Credit: The young gentleman's astronomy, chronology, and dialling ... / [Edward Wells]. Source: Wellcome Collection.

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    of all Saturn in about thirty Years. Thefe are refpeftively denoted. Fig: i. by their proper Char afters. 3. As the fore-mentioned fix Bodies of the move round the Sun, fo round three Kate/ of them move other Bodies; viz. lites of round'the Earth moves the Moon in InS’sL about 27 Days, 8 Hours y round Ju- turn. piter move four, and round Saturn move five Bodies, called refpeftively the (f) Satellites of Jupiter and Saturn. Of the Satellites of Jupiter, the inner- moft moves round Jupiter in 1 Day, 18 Hours 5 the fecond in 3 Days, and a little more than Half a Day * the third in 7 Days, 4 Hours 5 the fourth and outmoft in 16 Days, 18 Hours. Of the Satellites of Saturn, the inmoft moves round Saturn in 1 Day, 21 Hours § the fecond in 2 Days, 18 Hours 5 the third in 4 Days, and a little more than half a Day 5 the fourth in almoft 16 Days; and the fifth in 79 Days, 8 Hours. * i i t <• (f) They are fo called, as attending Jupiter and Saturn, as a Prince is attended fc>y hi§ SateH.itej ojr Life-guard 0 ;' ; * • “ ■* •• ■ m
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