What Causes the Aurora Borealis' Colors?

The colors of the northern and southern lights are spectacular. Discover which elements are most responsible for the Aurora Borealis and its colors.

Why The Northern Lights Will Soon Be Easier to See - AFAR

Aurora - Wikipedia

Revealing the Mystery of Pink Northern Lights

La atmosfera de José Antonio Borreguero Rolo

Get Ready to See More of the Northern Lights - The New York Times, aurora boreal

What are the northern lights?

Aurora colors: What causes them and why do they vary?

Lightning and Plasma Photo Gallery

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