单词 | globular cluster |
释义 | > as lemmasglobular cluster globular cluster n. Astronomy a roughly spherical cluster of stars, typically seen in galactic haloes and containing large numbers of old, metal-poor stars; cf. cluster n. 3c. ΘΚΠ the world > the universe > constellation > star-cluster > [noun] > globular globular cluster1785 globular1934 1785 W. Herschel in Philos. Trans. (Royal Soc.) 75 218 It follows, that an observer, who is inclosed in a globular cluster of stars, and not far from the center, will never be able, with the naked eye, to see to the end of it. 1868 W. Lockyer & J. N. Lockyer tr. A. Guillemin Heavens (ed. 3) 397 Another point of resemblance between the resolved globular clusters, and the nebulæ of the same form. 1961 Listener 7 Dec. 973/1 Globular clusters are of particular importance in modern astronomy, since studies of them have provided a great deal of information about the shape and structure of the Galaxy. 2002 New Scientist 9 Nov. 43/3 It seems that collisions can produce a new and exotic species of stars within the cores of globular clusters. < as lemmas |
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