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vendredi, avril 16, 2010

SUN ERUPTION 500,000-mile blast erupts from the sun (VIDEO) April 12-13, 2010

16 avril 2010 — NASA's STEREO spacecraft has captured spectacular images of a solar eruption, the largest solar prominence in 15 years.

The activity was caught on camera in extreme UV light as the prominence blasted away from the sun on April 12 and April 13.

Prominences are cool clouds of plasma that hover above the Sun's surface, notoriously unstable and on occasion they erupt like this one. However, this one was much more dramatic than most, NASA says.

NASA pieced together images to create this amazing video clip, showing about 19 hours of activity.