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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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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An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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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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It takes eight and a half minutes for light to get from the sun to earth.
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Some asteroids have other asteroids orbiting them.
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The Earth gets heavier each day by tons, as meteoric dust settles on it.
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