Catching the dynamic Coronal Web

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Researchers discover an important clue as to what mechanism drives the solar wind

The Sun`s atmosphere: Computer simulation of the architecture of the magnetic fi
The Sun`s atmosphere: Computer simulation of the architecture of the magnetic field in the middle corona on August 17, 2018. The ray-like features in this snapshot are the underlying magnetic architecture of the observed coronal web. In the middle corona the predominantly closed magnetic field lines close to the Sun give way to the predominantly open field lines of the outer corona. © Nature Astronomy, Chitta et al.

Using observational data from the U.S. weather satellites GOES, a team of researchers led by the Max Planck Institute for Solar System Research (MPS) in Germany has taken an important step toward unlocking one of the Sun-s most persevering secrets: How does our star launch the particles constituting the solar wind into space? The data provide a unique view of a key region in the solar corona to which researchers have had little access so far. There, the team has for the first time captured a dynamic web-like network of elongated, interwoven plasma structures. ...

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