Did you know the sun’s atmosphere is hundreds of times hotter than the photosphere? The photosphere is the visible surface of the sun. The temperature of the photosphere is around 6000’C. While the corona (the sun’s atmosphere) located a few thousand kilometer above the photosphere is hundreds of times hotter. According to the Swedish scientist Hannes Alfvén, magnetic waves of plasma could take massive energy away from the inner part of the sun to the corona. You can read more here https://scitechdaily.com/why-the-suns-atmosphere-is-hundreds-of-times-hotter-than-its-surface-80-year-old-theory-finally-confirmed/ [The gif is taken from scitechdaily.com]