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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A comet's tail always points away from the sun.
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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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One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
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In the last 7 years, humanity has discovered 43 potentially habitable planets.
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MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
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