A supernova remnant of a relatively short-lived type, characterized by a flat radio spectrum and by radio emission which is not confined to an outer…
| 单词 | θ829 |
| 释义 | the world > the universe > star > kind of star > by light > [noun] > nova > remnant (1) plerion1978 A supernova remnant of a relatively short-lived type, characterized by a flat radio spectrum and by radio emission which is not confined to an outer… |
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