| 单词 | Cepheus |
| 释义 | Cepheus /sēˈfē-əs or -fūs/nounA northern constellation named after Andromeda's father, a mythical king of Ethiopia ORIGIN: Gr Kēpheus Cepheid variable /sēˈfi-id/ noun (astronomy) Any star of the same type as δ Cephei (‘classical’ cepheid) or of a similar short-period star of the ‘cluster type’, from whose rhythmically varying brightness its distance can be inferred, this characteristic being important for the determination of distance scale in the universe |
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