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  1. Dictionary
    solar flare

    noun

    • 1. a brief eruption of intense high-energy radiation from the sun's surface, associated with sunspots and causing radio and magnetic disturbances on the earth.

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  2. www.space.com › solar-flares-effectsSolar flares: What are they and how do they affect Earth?

    Jul 6, 2022 · Solar flares are large explosions from the surface of the sun that emit intense bursts of electromagnetic radiation. The intensity of the explosion determines what...

  3. en.wikipedia.org › wiki › Solar_flareSolar flare - Wikipedia

    A solar flare is a relatively intense, localized emission of electromagnetic radiation in the Sun's atmosphere. Flares occur in active regions and are often, but not always, accompanied by coronal mass ejections, solar particle events, and other eruptive solar phenomena. The occurrence of solar flares varies with the 11-year solar cycle.

  4. science.nasa.gov › what-is-a-solar-flareWhat is a Solar Flare? - Science@NASA

    Solar flares are giant explosions on the sun that send energy, light and high speed particles into space. These flares are often associated with solar magnetic storms known as coronal mass ejections (CMEs).

  5. spaceplace.nasa.gov › solar-activity › enSunspots and Solar Flares - NASA Space Place

    Nov 8, 2024 · Solar flares are a sudden explosion of energy caused by tangling, crossing or reorganizing of magnetic field lines near sunspots. The surface of the Sun is a very busy place. It has electrically charged gases that generate areas of powerful magnetic forces.

  6. science.nasa.gov › sun › solar-storms-and-flaresSolar Storms and Flares - NASA Science

    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, and ultraviolet and visible light. Solar flares are the most powerful explosions in the solar system — the biggest ones can have as much energy as a billion hydrogen bombs.

  7. www.nasa.gov › image-article › what-solar-flareWhat is a solar flare? - NASA

    Mar 6, 2015 · A solar flare is an intense burst of radiation coming from the release of magnetic energy associated with sunspots. Flares are our solar system’s largest explosive events. They are seen as bright areas on the sun and they can last from minutes to hours.

  8. www.britannica.com › science › solar-flareSolar flare | Sunspot, Coronal Mass Ejection & Radiation ...

    Nov 9, 2024 · 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 may last several hours. High-energy particles, electron streams, hard X-rays, and radio bursts are often.