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Researchers suggest a link between the solar cycle and the tidal effects of Venus, the Earth and Jupiter

The Sun's activity is determined by the Sun's magnetic field. Two combined effects are responsible for the latter: The omega and the alpha effect. Exactly where and how the alpha effect originates is currently unknown. Researchers at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) are putting forward a new theory for this in the journal Solar Physics. Their calculations suggest that tidal forces from Venus, the Earth and Jupiter can directly influence the Sun's activity.
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