Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
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The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
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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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The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
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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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It takes eight and a half minutes for light to get from the sun to earth.
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The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
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41% of the moon is not visible from earth at any time.
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