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The observatory issued a warning after detecting a powerful coronal mass ejection heading toward Earth.
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The observatory issued a warning after detecting a powerful coronal mass ejection heading toward Earth.
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Related words
coronal mass ejection
Noun
Japanese Meaning
（天文学）太陽コロナから放出される大量の太陽風、軽い同位体を含むプラズマ、および磁場が、太陽の外層から放出される現象。
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