50.5 MB (50.0 MB compressed)
4200 x 4200 pixels
35.6 x 35.6 cm ⏐ 14.0 x 14.0 in (300dpi)
NASA / SDO / STANFORD / SCIENCE PHOTO LIBRARY NASA / SDO / STANFORD / SCIENCE PHOTO LIBRARY
Sunspot 1158. Sunspots are pockets of cool, dark gas which occur in magnetically active regions of the Sun, often in groups. Image obtained by the Solar Dynamics Observatory in 2011.
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