Designation | E Ring | Primary Planet | Saturn | Distance from Saturn | Inner edge: 180,000 km Outer edge: 480,000 km | Width | 300,000 km | Depth | 2,000 km | Notes | By far the widest of Saturn's rings, the tenuous E Ring stretches for some 300,000 km from its inner to its outer edge. It is composed of microscopic particles of ice ejected into space by the geysers of Enceladus, a moon that orbits within the ring's inner edge. |
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