Sunspot
From The Art and Popular Culture Encyclopedia
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Sunspots are temporary phenomena on the Sun's photosphere that appear as spots darker than the surrounding areas. They are regions of reduced surface temperature caused by concentrations of magnetic field flux that inhibit convection. Sunspots usually appear in pairs of opposite magnetic polarity.
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See also
- Letters on Sunspots
- Joy's Law
- List of solar cycles
- Radio propagation
- Solar cycle
- Solar rotation
- Space weather
- Spörer's law Template:Small
- Starspot
- Wolf number Template:Small
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