A66是位于球状星团m 4红巨星支最底部(近亚巨星支顶部)的一颗红星。

A66 is a red star located at the lowest end of the red giant branch (near the top of the sub-giant branch) of the globular cluster M4.

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A66是位于球状星团m 4红巨星支最底部(近亚巨星支顶部)的一颗红星。

A66 is a red star located at the lowest end of the red giant branch (near the top of the sub-giant branch) of the globular cluster M4.

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