What is a solar flare?

A sudden explosion of energy on the Sun.

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  1. A sudden explosion of energy on the Sun ✔
  2. A dark, cool patch on the Sun
  3. A comet falling into the Sun

Why: A solar flare is a sudden blast of energy. It happens when magnetic field lines near sunspots get tangled, cross or rearrange. Flares are short-lived compared with prominences.

Huh, didn't know that: Solar flares can release large amounts of radiation into space.

The dad joke
Why did the Sun get a talking-to? It kept flaring up at everyone.
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References

Answer: A sudden explosion of energy on the Sun. A solar flare is a sudden blast of energy. It happens when magnetic field lines near sunspots get tangled, cross or rearrange. Flares are short-lived compared with prominences.

  1. NASA Space Place: Sunspots and Solar Flares spaceplace.nasa.gov/solar-activity/en
    Solar flares are a sudden explosion of energy caused by tangling, crossing or reorganizing of magnetic field lines near sunspots.
    Checked 2026-10-10.

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