The solar cycle as a research area focuses on the quasi-periodic (~11-year) modulation of solar magnetic activity and its physical drivers, modeling, and impacts. It encompasses the study of dynamo processes in the solar interior, emergence and evolution of magnetic flux, sunspot number variability, and associated phenomena such as flares and coronal mass ejections. Researchers investigate cycle prediction methods, long-term modulation (e.g., grand minima and maxima), and coupling between solar radiative, particulate, and magnetic outputs and the heliosphere, planetary space weather, and climate-relevant upper-atmospheric processes, using observations, theory, and magnetohydrodynamic simulations.
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