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Updated on November 29, 2016

Auroras: Polar Lights

The bands of colored lights that appear in the night sky of the Artic and far northern countires are called the aurora borealis, or northern lights.

The same seen over Antarctica are called the Aurora Australia, or southern lights.

Aurora Borealis

Aurora Borealis... or Northern Lights, can seen in the Northern Polar region. The center of the meteoric arch corresponds probably with the magnetic north, and the phenomenom is generally seen two or three hours after sunset. It is constantly moving, but may remain visible for several hours. When the rays are very bright they are of varied colors - green, rose, violet, etc.

Aurora Australis

Visible from the southern areas of Australia, the Aurora Australis, like the Aurora Borealis in the northern hemisphere, is a display of colored lights which appears in the night sky around the South Pole. Auroras are caused by sun spots which emit charged particles. These particles stream towards the Earth and collide with molecules in the Earth's upper atmosphere. The particles are attracted by the magnetic forces of the poles and produce light when they descend into the atmosphere.


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