'Dead sunspot' launches ball of plasma toward Earth


The "corpse" of a sunspot exploded Monday (April 11), triggering a mass ejection of solar material that is headed in Earth's direction. The explosion comes courtesy of a dead sunspot called AR2987, according toSpaceWeather.com (opens in new tab).  The sunspot explosion released loads of energy in the form of radiation, which also led to a coronal mass ejection (CME) — explosive balls of solar ...

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