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The flux rope nature of coronal mass ejections
Vourlidas, Angelos
Coronal mass ejections (CMEs) are ejections of magnetized plasma from the solar corona. They are the most spectacular examples of explosive energy release on the Sun. Their magnetic structure is of particular importance because it determines their effects on the terrestrial magnetosphere. Here, I present recent observational evidence for the exist…
Why is the Sun's corona so hot? Views from SOHO, Yohkoh and solar eclipses
Phillips, Kenneth J. H.
It has been known for over 50 years that the outer atmosphere of the Sun, the so-called corona, has a temperature of 106 K (~0.1 keV) yet the exact reasons for this are still being debated. The magnetic field that pervades the corona is certainly the source of the heating, but the question is whether the field energy is dissipated via n…