The chromosphere is the interface between the photospheric solar surface and the outer corona and wind. In this complex domain thesolar gas becomes transparent...
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CharlaThe Solar Chromosphere
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CharlaThe stochastic, intermittent nature of quiet Sun magnetism
The quiet Sun (the 99%, or more, of the solar surface not covered by sunspots or active regions) is receiving increased attention in recent years; its role on...
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CharlaThe wounded Sun
The Sun is a magnetic star, not as magnetic as some stars, or as it was when itwas younger, but nonetheless magnetic fields dominate and even construct...
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CharlaTurbulence and Particle Acceleration in Solar Flares
A solar flare involves the conversion of magnetic energy stored in the coronal magnetic field into the kinetic energy of thermal and non-thermal particles, mass...
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CharlaWhat is the Sun made of?
Recent advances in 3D model atmospheres have led to a significant downward revision in photospheric heavy element abundance estimates for the Sun, especially...
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CharlaWhat makes the solar chromosphere so interesting?
Magnetic fields break through the solar surface in a hierarchy of magnetic elements ranging from Earth-sized sunspots down to tiny concentrations that are...
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CharlaWhere are the solar magnetic poles?
In mid nineteens, it was discovered that the Sun had a dipolar global magnetic field, whose temporal evolution followed the Solar Cycle. Polar regions, as well...