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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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
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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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Only 55% of Americans know that the sun is a star.
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The temperature of the earth's interior increases by 1 degree every 60 feet down.
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Jupiter's moon Ganymede, is larger than the planet Mercury!
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The earth travels through space at 660,000 miles per hour.
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