Only 55% of Americans know that the sun is a star.
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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 center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
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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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Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
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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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The sun is 330,330 times larger than the earth!
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More than 20 million meteoroids enter Earth's atmosphere every day.
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