Astronomers discover immense swarms of sunspots that could lead to solar flares - Daily Mail

Sunspots are dark regions of the Sun where it is cooler than other parts of the surface. Solar flares originate close to these dark areas of the star.

A pair of massive sunspot swarms, some large enough to devour the Earth whole, have appeared on the surface of the Sun, increasing the chance of an intense solar storm. Sunspots are dark regions of … [+7221 chars]

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