Planet-sized sunspot could launch solar flares toward Earth

Scientists have detected a fast-growing sunspot pointing directly at Earth and could launch an onslaught of solar energy our way in the next few days.

The sunspot, named AR3085 for the “active region” of the Sun in which he appeared, was barely a blip a few days ago. Now it has grown 10 times larger, turning into a pair of sunspots that are each almost the diameter of Earthaccording This little gif shows the evolution of the spot over about two days.

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