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What are sunspots?

Tuesday - April 11, 2017 11:15 am , Category : Fun Facts

Visible features on the sun’s surface, sunspots are dark region on the photosphere where a particularly strong portion of the sun’s magnetic field has slowed the gas that is rising to the surface.
               The center of a sunspot, depressed a little below the level of the surrounding gas, exhibits a lower temperature than the surrounding photosphere creating a visible spot.
                 Sunspots can measure up to several times Earth’s diameter. Their activity increases and decreases in an II- year cycle. Early in each cycle, most sunspots appear near the sun’s 30 0 N and 30 0 S latitudes. Later in the cycle, they occur closer to its equator. During the low point in the cycle called the solar minimum, the sun goes for days or even weeks without flaring.

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