The coronal rings of the Sun were identified in the 1960s. This discovery was then used to understand the various properties of our star, including the magnetic field and the density and temperature of the solar atmosphere. Meanwhile, scientists managed to make another breakthrough.
New research shows that rings of plasma coming from surfaces along magnetic field lines can sometimes be something else, and they are Wrinkles in the corrugation of plasma plates.
Solar Rings Captured by Transition Region and Coronal Explorer (TRACE)
The discovery was confirmed by updated solar corona models implemented using a program called MURaM. The new simulations showed that the rings were not always discrete structures, but that they could also form optically thin plasma sheets. Moreover, it can exist alone. It is worth adding that research work with the use of The largest solar telescope called DKIST.
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