In the last 7 years, humanity has discovered 43 potentially habitable planets.
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If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
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According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
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A comet's tail always points away from the sun.
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There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
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