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Solar Orbiter catches the sun's missing high-speed vibrations

The sun's magnetic fields are a twisty, curvy, ever-changing mess. In particular, our star's polar regions host areas called polar coronal holes, which contain invisible magnetic highways that stretch into interplanetary space. But there's a lot we don't know about how those highways actually work, particularly how they give the particles that form the fast solar wind an extra "kick" that sends them zooming at…