There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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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.
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Sound doesn't travel in space.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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There are two golf balls sitting on the moon.
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An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
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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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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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