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Solar Cycles

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Researchers Identify Solar 'Switch‑Off' That Could Forecast Space Weather Years Ahead

Counting sunspots at a sharp late‑cycle cutoff could give utilities and satellite operators up to seven years' warning of the next solar maximum.

Two X-Class Solar Flares Hours Apart Trigger Dayside Radio Blackouts

NASA Study Finds Decades-Long Solar Decline Reversed, Raising Space-Weather Risks