【速報】太陽さん、不気味な笑みを浮かべる…人類滅亡か！？

Say cheese! 📸

Today, NASA’s 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. pic.twitter.com/hVRXaN7Z31

— NASA Sun & Space (@NASASun) October 26, 2022