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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Mars had an oxygen-rich atmosphere around 4 billion years ago
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If two pieces of metal touch in space, they become permanently stuck together.
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Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
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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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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
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Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
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