Blue Flame, Colour photograph (Giclée) by Shane Lamb. Alaskan night sky is dark from August to April. The Aurora is a natural light display caused by charged particles from the sun interacting with the earth's atmosphere. When these particles collide with oxygen, yellows and greens are produced, with nitrogen they produce reds, violets and rarely blues
Wolves and the Northern Lights. Northern lights or Aurora Borealis is a natural light display in the night skies in the high attitude regions of the Arctic.Eskimos believed it was the dance of animal spirits.