Important notice about STEREO Behind
STEREO (Behind) spacecraft give us a close-up view in extreme UV light of the complex interactions of prominence material over a two-day period (January 22 - 23, 2009). Prominences are cooler clouds of gas that rise above the Sun's surface. They are controlled by strong magnetic field lines that pull on and shape the twisting and streaming actions. With STEREO's image detector, a large 2048 x 2048 pixels, we can zoom in on smaller areas and still preserve strong image detail.
Last Revised: March 19, 2018 15:00:39 UTC
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