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Last Post 10/5/2006 6:32 AM by Terry Kucera

sunspots

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10/4/2006 6:12 PM
Cynthia M What is this bi-polar thing ? how do spots have a north or south magnetic aspect?

Terry Kucera

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10/5/2006 6:32 AM
Hi Cynthia, Actually, all magnets have a north and south pole (a magnetic with just one pole would be called a " "magnetic monopole" no one has ever discovered one). The Earth, for instance, has both a north and south magnetic pole. As a simple picture you can think of a simple sunspot group as being like a bar magnet with a north and south pole. It isn't really quite that simple, but that is the basic idea. cheers, Terry