n. a cooler darker spot appearing periodically on the sun's photosphere; associated with a strong magnetic field
The number of sunspots goes through a maximum and minimum about every 11 years.
The number of sunspots goes through a maximum and minimum about every 11 years.
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Why are there dark patches called sunspots on the face of the Sun?
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macula;dark spots on the sun; dark patch on the sun
moon crater
1 syllables
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