Saturn
Saturn is 10 AU from the Sun, so it is protected from the solar wind from the sun. So do not lose the outer atmosphere and very massive. I have much more mass gravity. Can absorb comets that orbit through. Comets are composed of ice more vulnerable. As the comet approaches Saturn Gravity will cause massive tidal forces on the comet. Saturn is the side facing the action rather than the opposite. The comet can not withstand the stress. It is the accumulation of debris in orbit around Saturn and the rings in the end. For this reason, the rings of Saturn has an enormous number of particles which are independent orbit. Sizes range from centimeters to several meters. Mainly composed of ice Mixed in with rubble icing. Saturn's rings are very thin Despite its size, diameter of 250,000 miles, but the thickness is less than 1.5 mile loop each known by letters, such as rings (A and B) and one dim (C) channel between the rings A and B is called a channel. Cassini (Cassini division).
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