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The hidden treasures of Saturn's rings

This activity will give you close-up views of Saturn's ring system.
When Galileo Galilei aimed his telescope at Saturn in 1610, he saw what looked like ears protruding from the planet's disk. Two years later, the "ears" (which Galileo called stars) had vanished. Galileo never learned what they were, but today school children know about the beautiful set of rings which orbit Saturn's equator. These rings tilt with the planet's axis, causing them to occasionally appear edge-on and "disappear" from our vantage point on Earth....

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