An active region just over the sun’s eastern horizon is crackling with solar flares and hurling material high above the stellar surface.

One of yesterday’s flares, a C4-class event, created a wave of ionization in Earth’s upper atmosphere despite the fact that the blast site was not directly visible from Earth. The source of this activity appears to be old sunspot 1112, which has spent the last approx. 12 days transiting the far side of the sun, and is now about to turn back toward our planet.

Visit http://spaceweather.com for movies of today’s activity and updates.

More information on Tracking Solar Flares.


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