A massive X-class solar flare erupts on the Sun T-Shirt

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x-class flares superflares coronal mass ejection solar max solar maximum space weather solar cycles solar activity ultraviolet plasma astrophysics prominence black background transition regions photosphere chromosphere coronal loops corona atmosphere solar anatomy solar flares solar solar wind flares heat hot temperature surface sunspots square image space photography outdoors sun round sphere circle whole full sun eruption explosion coronal holes dwarf stars yellow dwarfs