NASA / JPL / UNIVERSITY OF COLORADO / SCIENCE PHOTO LIBRARY NASA / JPL / UNIVERSITY OF COLORADO / SCIENCE PHOTO LIBRARY
Saturn's rings. Computer illustration showing the particles (blue) that make up the rings around the planet Saturn (in background). The particles are composed mostly of ice and clump together to form elongated, curved aggregates, continually forming and dispersing. The space between the clumps is mostly empty. The largest individual particles shown are a few meters across.
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