https://zeenews.india.com/science-environment/from-the-suns-evil-smile-to-the-red-lightning-the-spooky-pictures-by-nasa-2530162.html
Say cheese! Today, NASAs Solar Dynamics Observatory caught the Sun smiling. Seen in ultraviolet light, these dark patches on the Sun are known as coronal holes and are regions where fast solar wind gushes out into space.
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