The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
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If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
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Some asteroids have other asteroids orbiting them.
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The Earth gets 100 tons heavier every day due to falling space dust.
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The earth travels through space at 660,000 miles per hour.
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41% of the moon is not visible from earth at any time.
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The light hitting the earth right now is 30 thousand years old.
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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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