Solar Flare 2025 Nasa. This is the largest flare of solar cycle. Flares and solar eruptions can impact radio communications, electric power grids, navigation signals, and pose.
Scientists use sunspots to track solar cycle progress; A piercingly bright flash of light—a solar flare—shone briefly from the left limb of our star, where it was captured in an ultraviolet image by nasa’s solar dynamics observatory.