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Why the Sun "sunspots"?

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  • Why the Sun "sunspots"?


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Answer #1 | 24/07 2014 02:10
http://en.wikipedia.org/wiki/Sunspots It seems people have forgotten how to use Google.
Positive: 66.666666666667 %
Answer #2 | 23/07 2014 13:48
Can you give us more details?
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Answer #3 | 23/07 2014 14:34
They are caused by intense magnetic activity, which inhibits convection(a mode of heat transfer) by an effect comparable to the eddy current brake, forming areas of reduced surface temperature.
Positive: 50 %
Answer #4 | 23/07 2014 15:10
Sunspots occur where the sun's magnetic field loops up out of the solar surface and cool it slightly, making that section less bright. These disturbances in the sun's magnetic field make the sunspot about 2700°F (1500°C) cooler than the surrounding area.
Positive: 33.333333333333 %
Answer #5 | 23/07 2014 20:26
Sunspots are cooler regions on the service and look black for this reason.
Positive: 0 %

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