Aurora Borealis reflects off the Tennevik River, Troms County, Norway. Auroras are the result of the emissions of photons in the Earth's upper atmosphere.

nordic countries norway polar aurora tennevik river troms county astronomy atmosphere atmospheric mood aurora aurora borealis beauty in nature color image dramatic sky glow green heavenly ice idyllic illuminated light majestic moody sky mystery natural phenomenon nature night no people northern lights outdoors photography rays of light reflection river scenic serene shining sky snow space vertical weather winter