There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
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On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
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It takes eight and a half minutes for light to get from the sun to earth.
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Pluto is smaller than Russia.
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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 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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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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