The moon is actually moving away from Earth at a rate of 1.5 inches per year.
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The earth travels through space at 660,000 miles per hour.
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Summer on Uranus lasts for 21 years.
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Astronauts cannot burp in space.
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Some asteroids have other asteroids orbiting them.
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The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
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The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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