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" ... Aurora are a natural sky phenomenon seen near the Arctic Circle (aurora borealis or northern lights) and Antarctic Circle (aurora australis or southern lights). They’re caused by charged particles from the Sun being captured and accelerated by Earth’s magnetosphere to interact with atoms in the upper atmosphere. ... "
" ... The aurora borealis (in the north) and the aurora australis (in the south) are caused by charged particles in the Sun’s solar wind that hit Earth’s magnetic field and get accelerated down into the upper atmosphere along the magnetic poles to strike atoms—and causing colorful displays. The observer is seeing electrons collide with oxygen atoms and nitrogen molecules, which momentarily releases energy in the form of light. ... "
" ... To most people, seeing the aurora borealis, or the aurora australis, is a fantastically rare sight. To Mia, it’s the least you'd expect living near the roof of the world. It doesn't get old, though: she says that every single time she stands under the stars and watches the lights flutter about, she gets the same buoyant feeling. ... "