An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
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Sound doesn't travel in space.
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One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
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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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