| 单词 | galaxy cluster |
| 释义 | > as lemmasgalaxy cluster galaxy cluster n. †(a) = galactic cluster n. (b) at galactic adj. Compounds (obsolete); (b) a cluster of galaxies; cf. galactic cluster n. (c) at galactic adj. Compounds. ΚΠ 1859 T. W. Webb Celestial Objects iii. 215 Bright Galaxy cluster, resembling three arms of a cross. 1894 F. M. Gibson Amateur Telescopist's Handbk. 99 A small galaxy cluster 8ˈ in diameter. 1961 W. D. Stahlman in Isis 52 608/1 The ‘basic unit’, which so few years ago was the galaxy.., is now the ‘galaxy cluster’ (the Milky Way is one of seventeen galaxies in our ‘local’ group). 2006 Smithsonian July 72/2 Random energy fluctuations..eventually became the large-scale structures of galaxies, galaxy clusters and superclusters. < as lemmas |
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