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Just Plain Rings

Featured on October 3, 2016

Saturn's beautiful rings encircle the planet in this image from the Cassini spacecraft, which is entering the final year of its mission. The rings are made of particles of ice and rock. They may be the shattered remains of one or more moons that ventured too close to Saturn and were pulled apart by the planet's powerful gravity. [NASA/JPL/SSI]

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Two stars trying to get in sync

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Just Plain Rings

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