Pristine survey II. Bright stars abundances
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Extremely metal-poor (EMP) stars are old objects formed in the first Gyr of the Universe. They are rare and, to select them the most successful strategy has been to build on...
极贫金属星（Extremely metal-poor, EMP）是形成于宇宙首个十亿年（Gyr）的古老天体。此类天体极为稀有，目前筛选极贫金属星的最成功策略均基于……
