Mixed sunspots emit a powerful solar flare

A mixed region of sunspots pointing almost directly at Earth has just given off a major solar flare, which could disrupt power grids and communications networks for the next few days.

from NASA Solar Dynamics Observatory (SDO) first detected the sunspot area designated AR3006 (“AR” stands for “active region”) several days ago; now the region is located near the center of the sun’s visible disk.

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