A group of faint stars forming a relatively dense mass, appearing as a nebula to the naked eye; a star-cluster; also applied to larger coherent…
| 单词 | θ1126 |
| 释义 | the world > the universe > constellation > star-cluster > [noun] (31) cluster1728 A group of faint stars forming a relatively dense mass, appearing as a nebula to the naked eye; a star-cluster; also applied to larger coherent… star cluster1829 a number of stars closely grouped together; cf. cluster, n. 3c. stardust1836 Astronomy. A body of stars likened, as seen through a telescope, to dust; (in early use) spec. a body of stars so distant that the individual stars… star cloud1839 an assemblage of many stars in (real or apparent) proximity; a large star cluster. moving cluster1908 An open cluster of stars which appear to share a common motion through space, and the distance of which can be determined from measurements of the… supercluster1924 A cluster of objects or entities that are themselves clusters; (Astronomy) a cluster of groups or clusters of galaxies. Subcategories:— clustering (1) — globular (2) — nebula (7) — local (2) — Pleiades (6) — Hyades (1) — Praesepe (5) — population (1) |
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