What are sunspots ? Explain why the
temperature of the sunspots is lower than the
surroundings. Sketch the structure of a sunspot.
Explain what causes a solar flare.
Sunspots:
Sunspots are temporary phenomena on the Sun's photosphere that appear as dark spots compared to the surrounding areas. They are caused by magnetic activity on the Sun and often occur in pairs or groups. Sunspots are cooler than their surrounding regions, and their number varies over an approximately 11-year solar cycle, known as the solar activity cycle.
The temperature of sunspots is lower than the surrounding areas because of the intense magnetic fields associated with them. Sunspots are regions where the magnetic field is exceptionally strong, inhibiting the normal flow of heat from the Sun's interior to its surface. This inhibition results in a localized cooling effect, causing the temperature of
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