The sun flips its magnetic field every 11 years. The flip coincides with the “solar maximum,” the midle point of the su’s activity cycle. The flip doesn’t affect the Earth too much, but the process is a fascinating stellar process. Here’s more from Astronomy Now:

As solar maximum approaches, the Sun’s surface becomes significantly more dynamic, with frequent and powerful eruptions such as solar flares and coronal mass ejections (CMEs). These dramatic releases of energy and charged particles can travel vast distances through space, sometimes reaching Earth. When they interact with our planet’s magnetic field, they have the potential to disrupt radio communications, interfere with GPS navigation systems, and even impact satellite operations. In some cases, they can trigger geomagnetic storms, which may cause fluctuations in power grids and other electrical infrastructure.

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