Mars had an oxygen-rich atmosphere around 4 billion years ago
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There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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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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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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A comet's tail always points away from the sun.
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Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
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There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
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