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Answer on Astronomy | Astrophysics Question for Amit Sharma

Question #61088
Explain how sunspots survive for so long even though they are surrounded by hotter
Expert's answer
Sunspots are the visible results of magnetic flux tubes in the Sun's convective zone. If the stress on the tubes crosses a certain limit, they curl up and puncture the Sun's surface. Convection is suppressed at the puncture points, whence the heat transfer from hot surrounded hot areas is suppressed too.

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