英语词汇“galactic nucleus”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

> as lemmas

galactic nucleus

galactic nucleus n. the central part of a galaxy; spec. that of the Milky Way galaxy; cf. nucleus n. 1c.The nuclei of most large galaxies are now believed to contain a supermassive black hole.

ΚΠ

1928 H. Shapley & H. H. Swope in Proc. National Acad. Sci. U.S.A. 14 833 A massive galactic nucleus is indicated, at a distance of nearly fifty thousand light years.

1974 F. W. Cole Fund. Astron. xiii. 344/1 Population II [stars exist as] the metal-poor stars found in globular clusters, as isolated stars in the galactic halo, and in the central galactic nucleus.

2003 Sci. Amer. July 28/1 In many galaxies where black holes devour material greedily—generating a phenomenon that astronomers call an active galactic nucleus (AGN)—stars form at a precipitous rate.

extracted from galacticadj.

as lemmas

单词	galactic nucleus
释义	> as lemmas galactic nucleus galactic nucleus n. the central part of a galaxy; spec. that of the Milky Way galaxy; cf. nucleus n. 1c.The nuclei of most large galaxies are now believed to contain a supermassive black hole. ΚΠ 1928 H. Shapley & H. H. Swope in Proc. National Acad. Sci. U.S.A. 14 833 A massive galactic nucleus is indicated, at a distance of nearly fifty thousand light years. 1974 F. W. Cole Fund. Astron. xiii. 344/1 Population II [stars exist as] the metal-poor stars found in globular clusters, as isolated stars in the galactic halo, and in the central galactic nucleus. 2003 Sci. Amer. July 28/1 In many galaxies where black holes devour material greedily—generating a phenomenon that astronomers call an active galactic nucleus (AGN)—stars form at a precipitous rate. extracted from galacticadj. < as lemmas
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