Solar plasma eruptions are the sum of many parts, a new look at a 2013 coronal mass ejection shows. These bright, energetic bursts happen when loops of magnetism in the sun’s wispy outer atmosphere, ...
Deep in the Earth beneath us lie two blobs the size of continents. One is under Africa, the other under the Pacific Ocean. The blobs have their roots 2,900 kilometers below the surface, almost halfway ...
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