A hidden “switch-off” signal could predict solar storms seven years early

A newly discovered turning point in the Sun’s 11-year cycle could allow scientists to predict future solar activity years earlier than before. At this “switch-off” point, the most violent space weather abruptly ends, and the remaining number of sunspots offers clues about the next cycle’s strength. Early projections suggest Solar Cycle 26 may be moderate, but a clearer forecast is expected in about two years.

Cet article est paru en premier sur le site https://www.sciencedaily.com/releases/2026/07/260721000818.htm