Mars had an oxygen-rich atmosphere around 4 billion years ago
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Pluto is smaller than Russia.
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The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
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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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According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
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It would take more than 150 years to drive a car to the sun.
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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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