AI Summary

Solar Orbiter observations focus on the Sun’s polar coronal holes, regions where magnetic field lines extend outward into interplanetary space. Researchers note that these “invisible magnetic highways” are poorly understood, especially regarding how they accelerate particles that become the fast solar wind. The fast wind can reach speeds of several hundred kilometers per second, but the mechanism that gives these particles an additional “kick” remains unknown. The study highlights the need to uncover how the magnetic structures in the polar regions generate the missing high‑speed vibrations that drive the solar wind.

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