An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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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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The Earth gets heavier each day by tons, as meteoric dust settles on it.
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Astronauts get taller when they are in space.
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The moon is actually moving away from Earth at a rate of 1.5 inches per year.
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Buzz Aldrin’s mother’s maiden name was Moon.
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