Double-barreled sunspot points toward Earth

sunspots

An “intensitygram” from the Helioseismic and Magnetic Imager on NASA’s Solar Dynamics Observatory shows the double-barreled sunspot active region 1416.

As solar activity builds toward an expected peak in 2013, a double-barreled sunspot has been doubling in size over the past couple of days and now has the potential to shoot significant eruptions in our direction. (video)

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