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  1. ESA - What are solar flares?

    A solar flare is a tremendous explosion on the Sun that happens when energy stored in 'twisted' magnetic fields (usually above sunspots) is suddenly released.

  2. Solar Storms and Flares - NASA Science

    Jun 24, 2025 · What is a solar flare? A solar flare is an intense burst of radiation, or light, on the Sun. These flashes span the electromagnetic spectrum — including X-rays, gamma rays, radio waves, …

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  3. Solar flare | Sunspot, Coronal Mass Ejection & Radiation ...

    Jan 21, 2026 · Solar flare, sudden intense brightening in the solar corona, usually in the vicinity of a magnetic inversion near a sunspot group. The flare develops in a few minutes, or even seconds, and …

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  4. Solar Flares (ET0103) - UNDRR

    A solar flare is a sudden and large explosion on the Sun characterized by the rapid release of energy, resulting in the emission of electromagnetic radiation across all wavelengths and a rapid increase in …

  5. Flares - NSO - National Solar Observatory

    As the Sun rotates, magnetic fields loop back on themselves creating tangles. When the fields are twisted too far they snap like rubber bands in a spectacular explosion that releases a huge amounts …

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  6. SOLAR FLARE Definition & Meaning - Merriam-Webster

    Feb 16, 2026 · The meaning of SOLAR FLARE is a sudden temporary outburst of energy from a small area of the sun's surface —called also flare.

  7. Solar FlareDefinition & Detailed Explanation ...

    Nov 18, 2025 · Solar flares are caused by the interaction of magnetic fields on the sun’s surface. When these magnetic fields become twisted and tangled, they can release huge amounts of energy in the …