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        Part of It's Okay To Be Smart
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        The Science and Beauty of Auroras | It's Okay to Be Smart

        Space might seem like an empty place, but the area surrounding Earth is constantly being bombarded by waves of charged particles released by the Sun: solar wind. Luckily, thanks to Earth's swirling, molten core -- and the magnetic field it provides -- we are protected from this planet-sterilizing onslaught like an invisible force field. All that science has a beautiful side effect - it makes the auroras!

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