Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
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41% of the moon is not visible from earth at any time.
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More than 20 million meteoroids enter Earth's atmosphere every day.
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In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
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The moon is actually moving away from Earth at a rate of 1.5 inches per year.
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The light hitting the earth right now is 30 thousand years old.
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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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