Another Day in the paradise: sunspots.
Sunspots appear following an eleven-year cycle. This phenomena, is a way to recognize the solar-cycle activity. Seen as dark spots at the sun, sunspots are regions with lower temperature with respect to its neighborhood, caused by a locally change of the magentic flux, beign so strong that it keeps heat trapped deep below.
At the time of this post (April-2020) we are begining the new solar cycle.
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