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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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更新时间:2025/3/15 0:02:14