| 单词 |
type ii supernova |
| 释义 |
type II supernova
type II supernova[′tīp ¦tü ¦sü·pər′nō·və] (astronomy) A member of a class of supernovae that display prominent lines of hydrogen in their spectra and have irregular light curves; they are believed be explosions of young massive stars, still in possession of their hydrogenic surface layers. |
| 随便看 |
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