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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Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
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If NASA sent birds into space they would soon die; they need gravity to swallow.
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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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Jupiter is bigger than all the other planets combined.
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Sound doesn't travel in space.
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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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