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Lasting several days, the May 2024 geomagnetic storm was caused by two major jets of matter hurled from the outermost part of the Sun’s atmosphere, called coronal mass ejections (CMEs), and by several solar flares. All together they reached the upper area of the Earth’s atmosphere (ionosphere), generating disturbances that had a major impact on communication and navigation satellites. The research published in SpaceWeather, its authors note, confirms that geomagnetic storms put air traffic at risk, in line with what is indicated by at least four other research published in 2025.
