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We do not have a comprehensive model explaining the periodic reversal of the Sun's magnetic field every 11 years.

open Global / Unspecified, Global WS02158
The solar magnetic dynamo flip drives the solar activity cycle, but we cannot accurately predict cycle strength decades in advance. High-resolution solar interior magnetohydrodynamic models are required.
Added by: Ian Patel
Created at: 2026-07-22T08:00:00Z
Horizon: 2030
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WS02158 | World Solve | https://www.worldsolve.org/index.php?view=problem&id=2158

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