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Solar Cycle 25

    Sun Releases Strong Flare

    The bright flash of a solar flare appears on the Sun's lower left in an ultraviolet view of the Sun. The Sun is dotted with darker and brighter regions and wispy loops of bright solar material.

    The Sun emitted a strong solar flare, peaking at 11:27 a.m. ET on Aug. 5, 2024. 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 …

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    Strong Solar Flare Erupts from Sun

    The Sun emitted a strong solar flare, peaking at 9:40 a.m. ET on Aug. 5, 2024. 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 …

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    Sun Releases Strong Solar Flare

    The Sun, shown in orange with dark splotches and bright yellow areas, against a black background. Toward the center of the star is a bright yellow area — the solar flare.

    The Sun emitted a strong solar flare, peaking at 10:37 p.m. on July 28, 2024. 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 …

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    Strong Solar Flare Erupts From Sun

    The Sun, shown in gold, against a black background. On the right is a bright white flash, on the limb of the star. The Sun has swirls of bright gold and darker gold regions, and one very large, dark black splotch toward the top.

    The Sun emitted a strong solar flare, peaking at 9:26 A.M. ET on July 16, 2024. 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 …

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    Sun Releases Strong Solar Flare

    The Sun, shown in teal against a black back ground. The Sun is a mix of darker, almost black areas and bright teal regions. On the right is an extremely bright flash of white.

    The Sun emitted a strong solar flare, peaking at 10:34 p.m. EDT on July 13, 2024. 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 …

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    Strong Flare Erupts from Sun

    A solar flare erupting from the right edge of the Sun

    The Sun emitted a strong solar flare, peaking at 7:08 a.m. ET on Monday, June 10. 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 …

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    Sun Releases 2 Strong Flares

    Two-panel image showing bright solar flares on June 1

    The Sun emitted two strong solar flares, peaking at 4:48 a.m. and 2:36 p.m. ET on Saturday, June 1, 2024. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured images of the events. Solar flares are powerful bursts of energy. Flares and solar eruptions can impact radio communications, electric power grids, navigation signals, and …

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    Strong Solar Flare Erupts from Sun

    The Sun, shown in red, appears against a black background. Several bright yellow active regions appear across the Sun. A bright flash of yellow and white light can be seen in the lower left part of the Sun.

    The Sun emitted a strong solar flare, peaking at 6:03 p.m. ET on May 31, 2024. 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 …

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    Sun Releases Significant Solar Flare

    A satellite image of the Sun, colored in teal, shows a bright flare at the Sun's lower center.

    The Sun emitted a significant solar flare peaking at 11:35 a.m. EDT on Oct. 28, 2021. NASA's Solar Dynamics Observatory, which watches the Sun constantly, captured an image of the event. Solar flares are powerful bursts of radiation. Harmful radiation from a flare cannot pass through Earth's atmosphere to physically affect humans on the ground, …

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    Solar Eruption Arrives at Earth

    teal colored sun showing solar flare

    A mass of solar material that erupted from the Sun on Oct. 9, 2021, reached Earth on Oct. 12. The Earth-directed coronal mass ejection, or CME, elevated the Kp index, a measure of disturbance to Earth's magnetic field, to 6 (moderate level). Kp index levels range from 0 (quiet) to 9 (intense). The CME was …

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