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Part of Visual Dictionary Project
Natural light display; dawn; ethereal radiance
In far northern skies, curtains of green, pink, and purple light dance across the darkness. This is an aurora—nature's most spectacular light show.
Aurora borealis (northern lights) and aurora australis (southern lights) occur when solar particles collide with gases in Earth's atmosphere, making them glow.
Visual examples of aurora in sky and metaphor

The aurora borealis paints Arctic skies with dancing curtains of green light.
Test your understanding of aurora in context
Why are auroras most commonly seen near the poles?