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Solar Cycle 25

Viewing Posts from December 2025

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    Strong Flare Erupts From Sun

    In this animated GIF, a portion of the Sun appears in shades of orange, yellow, and black with the brightest regions appearing yellow. The Sun appears against a black background. On the upper left edge of the Sun a bright flash of yellow appears, a solar flare, and then a plume of yellow and orange material rises away from the Sun from the same location as the flare.

    The Sun emitted a strong solar flare, peaking at 9:49 p.m. ET on Nov. 30, 2025. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured an image of the event. Solar flares are powerful bursts of energy. Flares and solar eruptions can impact radio communications, electric power grids, navigation signals, and pose risks to spacecraft and astronauts. […]

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