An aurora refers to the natural display of lights in the sky caused by the collusion of charges particals in the magnetic field of the earth brought about by different natural phenomena of the earth. As this sort of phenomena is usually observed in the night skies of the poles of the earth, it is also referred to as polar lights. It has been observed that this occurs most frequently in the regions lying between 60 to 70 degrees on the latitude. This on the whole is an extremely beautiful display of lights that brighten up the dark skies of the night. Along the northern latitudes, this natural light display is referred to as aurora borealis. Aurora Borealis is a term for northern lights. This name has its origin in the Greek and Roman history. It is named after the Roman goddess of dawn, Aurora, and the Greek word for the north wind, Boreas. In the year 1622, Pierre Gassendi a French scientist and priest. Auroras observed in the northern regions illuminate the horizon with a greenish glow or with faint reddish lights. The overall effect seen is the same as that observed at the time of dawn when the sun is rising.
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