coronal mass ejection

noun
Updated on: 7 Dec 2017

Definition of coronal mass ejection

: a tremendous outburst of energy from the corona of the sun that can cause disruptions in the earth's geomagnetic field
  • As they had for the January eruption, the researchers relied on an armada of spacecraft to track the disturbance, known as a coronal mass ejection because it originates in the sun's outer atmosphere, or corona.
  • —R. Cowen
abbreviation CME — compare solar flare

Recent Examples of coronal mass ejection from the Web

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First Known Use of coronal mass ejection

1974


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