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The astronomers detected enhanced carbon lines in the star's spectrum following a dredge-up, confirming that fusion products had been brought to the surface.
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The astronomers detected enhanced carbon lines in the star's spectrum following a dredge-up, confirming that fusion products had been brought to the surface.
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dredge-up
Noun
Japanese Meaning
（天体物理学）進化した星で、一時的に生じる深部対流現象。これにより、核融合生成物が星の内部から表面へ運ばれ、星のスペクトル中にその痕跡が検出される現象
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