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Saturn and its System | 83 |
With the hint given by this, at least singular, coincidence, let us examine the other satellite systems. Two others available for comparison present themselves, that of Jupiter and that of Uranus. Jupiter's system is this :—
No. | Name. | Diameter in Miles. |
Distance from Jupiter in miles. | |||||||
V. | (Nameless) | . | . | . | 100 | . | . | . | . | 112,500 |
I. | Io | . | . | . | 2,500 | . | . | . | . | 261,000 |
II. | Europa | . | . | . | 2,100 | . | . | . | . | 415,000 |
III. | Ganymede | . | . | . | 3,550 | . | . | . | . | 664,000 |
IV. | Callisto | . | . | . | 2,960 | . | . | . | . | 1,167,000 |
Here, again, the largest body fills the centre of the field. With Uranus, we have:
No. | Name. | Diameter in Miles. |
Distance from Uranus in Miles. | ||||||||
I. | Ariel | . | . | . | 500 | . | . | . | . | . | 120,000 |
II. | Umbriel | . | . | . | 400 | . | . | . | . | . | 167,000 |
III. | Titania | . | . | . | 1,000 | . | . | . | . | . | 273,000 |
IV. | Oberon | . | . | . | 800 | . | . | . | . | . | 365,000 |
The same relative agreement of position and mass !