If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
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If NASA sent birds into space they would soon die; they need gravity to swallow.
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Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
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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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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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MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
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