Northern Lights Live Cam - watch the Aurora Borealis for Dummies

What are Northern Lights? The intense dancing lights of the aurora are in fact collisions in between electrically charged particles from the sun that enter the earth's atmosphere. The lights are seen above the magnetic poles of the northern and southern hemispheres. They are called 'Aurora borealis' in the north and 'Aurora australis' in the south.

Tones of red, yellow, green, blue, and violet have been reported. The lights appear in numerous forms from patches or scattered clouds of light to banners, arcs, rippling drapes or shooting rays that illuminate the sky with an eerie glow. What causes the Northern Lights? The Northern Lights are in fact the outcome of accidents in between gaseous particles in the Earth's environment with charged particles released from the sun's atmosphere.

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The most typical auroral color, a pale yellowish-green, is produced by oxygen molecules situated about 60 miles above the earth. Rare, all-red auroras are produced by high-altitude oxygen, at heights of approximately 200 miles. Nitrogen produces blue or purplish-red aurora. The connection in between the Northern Lights and sunspot activity has actually been thought because about 1880.

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(Note: 1957-58 was International Geophysical Year and the environment was studied thoroughly with balloons, radar, rockets and satellites.  A Good Read  is still conducted by researchers at Poker Flats, a facility under the instructions of the University of Alaska at Fairbanks - see websites  The temperature above the surface of the sun is countless degrees Celsius.

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Free electrons and protons are thrown from the sun's environment by the rotation of the sun and escape through holes in the electromagnetic field. Blown towards the earth by the solar wind, the charged particles are mainly deflected by the earth's electromagnetic field. Nevertheless, the earth's magnetic field is weaker at either pole and therefore some particles enter the earth's atmosphere and clash with gas particles.

The lights of the Aurora generally extend from 80 kilometres (50 miles) to as high as 640 kilometres (400 miles) above the earth's surface. Where is the very best place to enjoy the Northern Lights? Northern Lights can be seen in the northern or southern hemisphere, in an irregularly shaped oval centred over each magnetic pole.