Scientists from the University of Sheffield and Queen's University Belfast have made a unique discovery which will help us understand one of the most puzzling features of the Sun. The research has helped explain why the outside atmosphere of the Sun is actually hotter than the inner photosphere.
The surface of the Sun, known as the photosphere, reaches temperatures of 5,000 degrees. It would seem logical that the temperature is lower further away from the Sun; however the outer atmosphere, known as the corona, can reach temperatures of over a million degrees.
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