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may 16 2007
In February, NASA used a battery of telescopes to observe the aurora of Jupiter. The northern lights of the giant ball of gas never stand still, according to astronomers. Whenever they take a look they are always there. And they are huge, the entire size of the planet.
On earth auroras are born of the emanations of particles of the sun, when they arrive to our planet and impact against an electromagnetic field. They are directed towards the poles where they explode to produce a colourful and luminous effect.
The reason why they never stop in Jupiter is it generates auroras Boreals. Since the diameter is of 143 kilomtres, it is 12 sizes bigger than our planet. Our planet takes 24 hours to turn, Jupiter only takes 10 hours. The laws of physics show that when you get a magnet and turn it, it obtains electricity. Therefore Jupiter being so big and turning so fast, it generates electricity enough to ignite it own auroras.
For more information:
http://ciencia.nasa.gov
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