Entity

X-class

An X-class is the most powerful classification of solar flare, a sudden, intense burst of radiation from the Sun's surface.

Why it’s in the news: It is in the news because a recent X-class solar flare was accompanied by a coronal mass ejection (CME) heading toward Earth, potentially causing geomagnetic storms.

Latest on X-class

  • Sun unleashes powerful X-class solar flare and Earth-bound CME that could spark northern lights for July 4 weekend

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