Magnetic fields on the Sun do not behave the way they were supposed to

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Scientists at Northumbria University have shown that magnetic fields on the Sun behave differently than previously thought.

According to a press release on the website Phys.org, after analyzing the data collected over a ten-year period, astronomers found that the plasma (called Alfven) waves arising in the solar corona – the outer layer of the star’s atmosphere – affect the acoustic waves generated by the solar interior.
Alfven waves propagate along the magnetic field lines and play an important role in energy transfer, responsible for the occurrence of the solar wind and heating of the solar corona to a million degrees Celsius.

Previously it was believed that they occur exclusively on the surface of the Sun, where hydrogen, heated to 6 thousand degrees Celsius, excites magnetic fields. However, now evidence has been obtained that acoustic waves constantly influence the processes in the solar corona. A similar process, scientists believe, most likely, proceeds in other stars.