Click link below picture

.

The Aurora Borealis (Northern Lights) and Aurora Australis (Southern Lights) are the result of electrons colliding with the upper reaches of Earth’s atmosphere. (Protons cause faint and diffuse aurora, usually not easily visible to the human eye.)

.

aurora borealis

.

.

Click link below for images:

https://www.bing.com/images/search?q=aurora+borealis+northern+lights&FORM=hpbap1

.

__________________________________________