Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
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41% of the moon is not visible from earth at any time.
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The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
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Jupiter's moon Ganymede, is larger than the planet Mercury!
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The light hitting the earth right now is 30 thousand years old.
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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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An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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