Solar Orbiter provides first glimpse of the sun's polar magnetic field in motion (phys.org)

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The sun is governed by a strict rhythm. The magnetic activity of the sun displays a cyclic variation, reaching a maximum approximately every eleven years. Two enormous plasma circulations, each in one solar hemisphere, set the pace for this rhythm, thus defining the sun's eleven-year cycle. Near the surface, the plasma flows carry the magnetic field lines from the equator to the poles; in the solar interior, the plasma flows back to the equator in a huge cycle spanning the entire hemisphere.

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this post was submitted on 06 Nov 2025

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