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helium star中文是什么意思

发音:  
用"helium star"造句"helium star"怎么读"helium star" in a sentence

中文翻译手机手机版

  • 氦星

例句与用法

  • Extreme helium star
    极端氦星
用"helium star"造句  

百科解释

A helium star or helium strong star is a class O or B star (blue), which has extraordinarily strong helium lines and weaker than normal hydrogen lines, indicating strong stellar winds and a mass loss of the outer envelope. Extreme helium stars (EHe) entirely lack hydrogen in their spectra.
详细百科解释
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