Earth is the only planet in our solar system that's not named after a god or goddess.
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Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
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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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It takes eight and a half minutes for light to get from the sun to earth.
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Jupiter's moon Ganymede, is larger than the planet Mercury!
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Summer on Uranus lasts for 21 years.
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