Earth is the only planet in our solar system that's not named after a god or goddess.
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Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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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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Pluto is smaller than Russia.
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