If two pieces of metal touch in space, they become permanently stuck together.
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In the last 7 years, humanity has discovered 43 potentially habitable planets.
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The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
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The light hitting the earth right now is 30 thousand years old.
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From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
22
A comet's tail always points away from the sun.
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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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