NGC 6218 and NGC 5904 lithium abundances
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Convergent lines of evidence suggest that globular clusters host multiple stellar populations. It appears that they experience at least two episodes of star formation whereby a...
多线趋同的证据表明，球状星团（globular clusters）存在多重恒星族群。现有研究显示，此类星团至少经历过两期恒星形成过程，其中……
