Northern Lights
Aura at the poles of the earth produce lights in the clear night sky.
It is caused due the collision of earth's atmosphere with the outer space. It produce a wide range of lights clearly visible in the night sky of the northern hemisphere.
Norway is most visited due the eagerness of people around the world to experience the northern lights.
Northern lights can be easily seen with the naked eyes.
This aura can be easily seen on a full moon day.
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