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.

Have you ever seen blue Aurora Borealis - Aurora Borealis Observatory

What causes the different shapes and colours of the aurora? - BBC Sky at Night Magazine

The cause Causes of Color

Aurora Borealis or Northern Lights

Lightning and Plasma Photo Gallery

Let's Learn About Auroras, 43% OFF

How Cameras Reveal the Northern Lights' True Colors (Op-Ed)

What causes the Northern Lights? Aurora borealis explained

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

What Is the Origin of the Aurora Borealis Name?