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Large X-class Flare Erupts on the Sun
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Large X-class Flare Erupts on the Sun

February 8, 2012
On Jan. 27, 2012, a large X-class flare erupted from an active region near the solar west limb. X-class flares are the most powerful of all solar events. Seen here is an image of the flare captured by the X-ray telescope on Hinode. This image shows an emission from plasma heated to greater than eight million degrees during the energy release process of the flare.

Image Credit: JAXA/Hinode