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单词 B star
释义 B star
 Astron.
 a massive, relatively hot, blue to white star, as Rigel or Spica, having a surface temperature between 10,000 and 30,000 K and with an absorption spectrum dominated by the Balmer series of hydrogen with lines of neutral helium present. Cf. spectral type.
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更新时间:2024/9/25 1:14:07