Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
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The earth travels through space at 660,000 miles per hour.
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All of the Earth's continents are wider at the north than in the south - and nobody knows why.
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The earth rotates more slowly on its axis in March than in September.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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