Planet-size sunspot could launch solar flares toward Earth

Scientists have detected a rapidly growing sunspot that’s pointed directly at Earth and could launch an assault of solar energy our way in the coming days.

The sunspot, named AR3085 for the “active region” of the sun in which it appeared, was barely a blip several days ago. Now, it has grown 10 times bigger, morphing into a pair of sunspots that each measure nearly the diameter of Earthaccording to SpaceWeather.com. This short gif shows the spot’s evolution over about two days.

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