| 单词 | chromosphere |
| 释义 | chromosphere The layer of the sun's atmosphere immediately above the photosphere. The chromosphere is normally only visible when the photosphere is totally eclipsed by the moon. The chromosphere is about 10 000 kilometres thick and the temperature in it rises from 4000 K, where it merges with the photosphere, to about 50 000 K, where it reaches the transition region below the corona |
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