![The composition of Saturn’s rings is not uniform, as seen in this ultraviolet image obtained by the …[Credits : NASA/JPL/University of Colorado]](http://media-2.web.britannica.com/eb-media/61/78561-004-A4B601B0.jpg)
The composition of Saturn’s rings is not uniform, as seen in this ultraviolet image obtained by the Cassini spacecraft when it entered into orbit around Saturn on June 30. Ringlets shown in turquoise have a greater content of frozen water than those shown in red.
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