Cassini division

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Cassini division
The black band in the center of this close-up view of Saturn's rings is the
Cassini division.

Cas·si·ni division

The large gap between the two most prominent of Saturn's rings, caused by the gravitational pull of the moon Mimas.

[After Giovanni Domenico Cassini (1625-1712), Italian astronomer.]

Cas•si′ni divi`sion

(kəˈsi ni, kɑ-)
a 3000-mi. (4800-km)-wide dark region between the middle and outermost rings of Saturn.
[1905–10; after Giovanni Domenico Cassini (1625–1712), Italian astronomer who discovered it in 1675]
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References in periodicals archive ?
There's more material in the Cassini division of Saturn's rings [which appears virtually empty to earth-based observations] than in the entire Uranian ring system," says Terrile.
Q: The Sky Road seems to suggest that the anarcho-communist federation in The Cassini Division is guided by an artificial intelligence.
The irony of The Cassini Division is that it's a war of one artificial intelligence against its rivals.
The large gap between rings B and A is called the Cassini division.
Between the A ring and the B ring we find the Cassini division, an almost empty area that separates the two rings and appears as a dark lane between them.
Figure 3 also shows that the Cassini division can be observed when the viewing angle is large or intermediate.
In addition to the dazzling images, data from Cassini's visual and infrared mapping spectrometer also show distinct color differences, indicating variations in composition and in microscopic particles in the Cassini Division, the diffuse E- and G-rings, lying outside the main rings, and the D ring, which is the ring closest to Saturn.
A third and fourth ring are visible in the Cassini Division, the big gap in Saturn's main ring system.
Jean Meeus for his assessment of the conditions necessary for Saturn to be visible through the Cassini Division, Grischa Hahn for the WinJupos simulations showing the visibility of the planet through the Cassini Division, and Sheridan Williams for providing a copy of the C.
23h 36m and occurred at a point where the Cassini Division disappeared behind the f.
These ringlets showed up in the Cassini Division, a large gap between Saturn's third and fourth main rings.