Cannibal CME A double load of plasma. It occurs when two CMEs erupt off the sun at the same time. If the second CME overtakes and consumes the first, a CME combination forms. Cannibal CMEs contain tangled magnetic fields and compressed plasmas, which can cause severe geomagnetic storms.| EarthSky
Artist’s concept of activity on the sun traveling across space, to interact with Earth’s magnetic field. Not to scale. The sun’s activity can cause a geomagnetic storm, which aren’t harmful to humans, but which can harm earthly technologies. Image via Wikimedia Commons.What happens during a geomagnetic storm?| EarthSky
Coronal mass ejection on February 27, 2000. A disk blocks out the light of the sun. The white circle indicates the sun’s surface. Learn more about coronal mass ejections here. Image via SOHO.What are coronal mass ejections?| EarthSky
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