Aurora in Rows

By: LeRoy Zimmerman


Region: Polar Regions

Site: Fairbanks - Alaska - USA


Dancing lights of aurora appear in the night sky above Alaska. Aurora is produced by the collision of charged particles from Earth's magnetosphere, mostly electrons but also protons and heavier particles, with atoms and molecules of Earth's atmosphere (at altitudes above 80 km). The particles originate from the Sun and reach the Earth in the stream of solar wind. LeRoy Zimmerman/

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