| 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 | 
| 随便看 | 
 | 
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。