Interlocking 发表于 2025-3-28 16:09:30
Globular Star Clusters,en Sawyer developed a classification scheme for globular clusters. The Shapley-Sawyer classifications are numbered with Roman numerals I to XII based on the concentration of stars in the cores of the clusters. Level I clusters have the highest concentration of stars in their cores. Level XII clusters have virtually no concentrated cores.Lice692 发表于 2025-3-28 19:45:20
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