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Moons, Rings, and Pluto Terms (Chapter 8)

Moons, Rings, and Pluto Terms (Chapter 8) - Moons Rings and...

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Moons, Rings, and Pluto Terms (Chapter 8) 1. Cassini Division - A relatively empty gap in Saturn’s ring system, discovered in 1675 by Giovanni Cassini. It is now known to contain a number of thin ringlets. 2. B Rings - One of three Saturnian rings visible from earth. The B ring is the brightest of the three, and lies just past the Cassini Division, closer to the planet than the A ring. 3. C Rings - One of three Saturnian rings visible from Earth. The C ring lies closest to the planet and is relatively thin compared to the A and B rings. 4. Encke Gap - A small gap in Saturn’s A ring 5. Roche Limit - Often called the tidal stability limit; the Roche limit gives the distance from a planet at which the tidal force (due to the planet) between adjacent objects exceeds their mutual attraction. Objects within this limit are unlikely to accumulate into larger objects. The rings of Saturn occupy the region within Saturn's Roche limit.
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