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sunspot cycle
(redirected from 11-year sunspot cycle)

    Also found in: Wikipedia 0.02 sec.
sunspot cycle [′sən‚spät ‚sī·kəl]
(astronomy)
Variation of the size and number of sunspots in an 11-year cycle which is shared by all other forms of solar activity.
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During periods of increased solar activity, particularly during high-points of the 11-year sunspot cycle, these breathtaking sky shows often appear far south of their normal Arctic venues.
Pinning down the sun-climate connection; solar influence extends ... by Perkins, Sid / Science News
That's because the year 2000 is the peak of the sun's 11-year sunspot cycle.
Can You Spot the Problem? by Jack & Jill
Researchers need to monitor the sun for at least an 11-year sunspot cycle in order to subtract out the dimming that occurs when sunspots grow across the sun's surface.
BRIGHTENING SUN MAY BE LINKED TO EARTH WARMING by Daily News (Los Angeles, CA)
 
 
 
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