NASA / SCIENCE PHOTO LIBRARY NASA / SCIENCE PHOTO LIBRARY
Saturn's rings, animated Cassini spacecraft image. This image of the illuminated side of the rings spans approximately 65,700 kilometres. The rings, which consist of particles of nearly pure water ice, have become contaminated with meteoritic dust over time. It is this dust that causes differences in the rings' colours. Image obtained by the spacecraft's narrow-angle camera on the 26th November 2008, at a distance of approximately 1.1 million kilometres from Saturn.
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