The universe may continue expanding forever.
Fact #2262
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Interstellar objects have passed through our solar system.
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The Voyager Golden Record was sent into space containing sounds and images from Earth.
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Black holes can slow time so much that seconds near them equal years far away.
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Some exoplanets orbit two stars at once.
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The Earth spins at 1000 mph.
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The Earth's atmosphere gradually thins into outer space.
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The Great Attractor is a gravitational anomaly influencing the motion of galaxies.
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Magnetars have extremely powerful magnetic fields.
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