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For the first time torsional Alfvén waves have been directly observed in the solar corona by a team of researchers from the University of Oslo and the University of Warwick. The discovery sheds light on the origin of magnetic waves and their role in the heating of the Sun’s outer atmosphere, the corona.
Coronal rain is one of the most striking features of the solar atmosphere. With the higher resolution of the European Solar Telescope, solar physicists will better understand their structure and formation.
We need the extreme capabilities of the European Solar Telescope in order to fully understand the role of spicules in the mass transport and heating of the outer solar atmosphere.