Earth is the only planet in our solar system that's not named after a god or goddess.
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Pluto is smaller than Russia.
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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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NASA invented baby food as we know it today.
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There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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