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What causes the Northern Lights (Aurora Borealis)?
What atmospheric and solar phenomena interact to create the massive, glowing green lights seen in the night skies of the Arctic circle?
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SkyWatcher
asked 2d ago · 10 rep
1 Answer(s)
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The Northern Lights occur when the Sun ejects highly charged particles (solar wind) toward Earth. Our planet's magnetic field deflects most of them, but some get trapped at the magnetic poles. When these particles smash into atmospheric gases like oxygen and nitrogen, they release energy in the form of glowing light.
A
AstroPhysicist
answered 2d ago