Check out Henrik Solberg take a run under the Northern Lights in Kåfjord, Troms. Northern Norway

What causes the incredible light show known as Aurora Borealis:

The Aurora Borealis (Northern Lights) andAurora 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.)

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Francis Xavier is a seasoned writer for Unofficial Networks, bringing a lifetime of outdoor experience to his work. Having lived in a ski resort town for years he has a deep connection to mountain culture....