Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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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 temperature of the earth's interior increases by 1 degree every 60 feet down.
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The heart of an astronaut actually gets smaller when in outer space.
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The earth travels through space at 660,000 miles per hour.
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Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
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