The Aurora Borealis is a luminous display of various forms and colors in the night sky.The Aurora Borealis of the Northern Hemisphere is often called the northern lights. It tends to occur with greatest frequency along a line which extends through the north of Norway, across central Hudson Bay, through Point Barrow, Alaska, and through the north of Siberia. It usually displays shades of red, yellow, green, blue, and violet and these shades are usually brightest in their most northern latitudes. It occurs between 56 km and 970 km above the earth. Most of the other planets in the solar system also have auroras.
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