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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The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
There are two golf balls sitting on the moon.
721
The sun puts out more power in 1 second than mankind has ever used within human existence.
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One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Sound doesn't travel in space.
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Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
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