| 单词 |
w virginis stars |
| 释义 |
W Virginis stars W Virginis stars (ver -ji-niss) See Cepheid variables.W Virginis stars[¦dəb·əl·yü vər′jin·əs ‚stärz] (astronomy) Periodic variable stars with periods of about 10 to 30 days; they exhibit two surges of activity from the same star so that there is a doubling of their spectral lines. Also known as Type II Cepheids. |
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