The moon is actually moving away from Earth at a rate of 1.5 inches per year.
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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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41% of the moon is not visible from earth at any time.
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An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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If you went out into space, you would explode before you suffocated because there's no air pressure.
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