Space Weather News for May 7, 2025
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THE CENTENNIAL GLEISSBERG CYCLE: You've heard of the 11-year sunspot cycle. But what about the Centennial Gleissberg Cycle? The Gleissberg Cycle is a slower 100-year modulation of sunspots. New research just published in the journal Space Weather suggests that the Gleissberg Cycle is waking up again, which could make solar cycles for the next 50 years increasingly intense. Full story @ Spaceweather.com.