| 单词 | galactic cluster |
| 释义 | > as lemmasgalactic cluster galactic cluster n. (a) the cluster of stars including the sun and the Milky Way (now disused); (b) = open cluster n. at open adj. Compounds 3; (c) a cluster of galaxies. ΚΠ 1875 Academy 10 Apr. 375/3 Mr. Peirce..has made some inferences with regard to the form of the galactic cluster. 1891 C. A. Young Lessons Astron. xii. 283 Herschel..drew from his observations certain untenable conclusions as to the form and structure of the ‘galactic cluster’, to which the sun was supposed to belong. 1918 H. Shapley in Contrib. Mt. Wilson Solar Observatory 8 226 Suppose we consider the compactly organized galactic cluster Messier 11, which is deeply immersed in the rich star clouds of the Milky Way. 1978 J. M. Pasachoff & M. L. Kutner University Astron. xxiii. 570 Studies of their Hertzsprung–Russell diagrams..show that galactic clusters are relatively young compared to globular clusters. 1990 Sciences July–Aug. 11/2 Is it the plasma currents, ‘blowing’ the stars..into patterns of galaxies, and the galaxies into galactic clusters? 1999 N.Y. Times 26 Jan. d1/5 The ‘Great Wall’, a vast sheet of connecting galaxies and galactic clusters mapped in 1989. < as lemmas |
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