@astro.m42: The NASA Solar Dynamics Observatory caught the sun "smiling." Seen in ultraviolet light, these dark patches are known as coronal holes and are regions where fast solar wind streams out into space. Credit & copyright: NASA/GSFC/SDO #space #spacetok #sun #nasa #Astronomy #astronomytok #astrom42 #xyzbca #fyp

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Wednesday 26 June 2024 10:08:23 GMT