ANOTHER DAY, ANOTHER X-FLARE: Solar activity has gone into overdrive. Since May 3rd, Earth-orbiting satellites have detected four X-class solar flares and an even greater number of almost X-class events. The responsible sunspot, AR3663, is still very active, and NOAA forecasters say more X-flares are possible this week. https://spaceweather.com has details.

Image: The extreme ultraviolet flash from an X4.5-class solar flare on May 6, 2024. Credit: NASA/SDO

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