鋰衰竭界限

鋰衰竭界限(lithium depletion boundary，LDB)是一種建立在鋰豐度測量的基礎上，被提出來測量疏散星團中的恆星能發生氫燃燒的質量下限[1]。

參考資料
  1. Darling, David. 2004. The Universal Book of Astronomy.
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