Key Role:

The Earth's magnetic field acts as a protective shield, guiding the charged solar particles towards the polar regions. When these particles collide with gases in the atmosphere, they create the beautiful colors of the Northern Lights.

Fun Fact: Without the magnetic field, the solar particles would directly hit Earth's surface, causing severe damage to life!

Visual Representation: Image

Sources:

NASA Science (https://science.nasa.gov)

Northern Lights Centre (https://northernlightscentre.ca)