Aurora Borealis, a rare sight as it is, can be considered nature's most dazzling fireworks display. What it actually means or describe,
where it comes from, how is it formed, are maybe just a few questions you might have posed yourself after looking at some beautiful Northern Lights photos.
The short 5 minute video below answers in a perfectly plain manner to all these questions and more, perfectly illustrating the whole phenomena in layman's terms.

https://vimeo.com/25811412