Question

what is sunspot.what are the uses of finding it

Answer 1

darker coolers areas on the surface of the Sun in a region.

Answer 2

The sunspots are present on the photosphereon the Sun. The photosphere refers to a 500 km thick outer layer of the Sun where the temperature is about 6000K. As the Sun is a ball of gases, it does not possess a well defined surface and the entire photosphere is referred to as the visible surface of the Sun. Here, the sunspots appear.

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