The Northern Lights or Aurora borealis are an amazing display of dancing lights caused by collisions between electrically charged particles from the sun that enter the earth's atmosphere. These lights are also seen over the south pole and are referred to as Aurora australis. Scientists have learned that in most instances northern and southern auroras are mirror-like images that occur at the same time, with similar shapes and colours.
http://www.northernlightscentre.ca/northernlights.html
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