I wish I had more time for solar observing.
Read a good blurb about sunspots on spaceweather.com the other day:
Quote:
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Now we know what sunspots really are: great islands of magnetism. Sunspots consist of magnetic force fields poking through the sun's surface. These fields block the flow of heat from below, cooling the sun in their vicinity. Because sunspots are so cool, "only" a few thousand degrees, they appear dark compared to the surrounding inferno.
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btw,
to IceInSpace!