| 单词 | dumb-bell nebula |
| 释义 | > as lemmasdumb-bell nebula dumb-bell nebula n. a nebula of this shape in the constellation Vulpecula. ΘΚΠ the world > the universe > constellation > nebula > [noun] > planetary nebula dumb-bell nebula184. crab1868 planetary1903 reflection nebula1936 1833 J. F. W. Herschel Catal. Neb. in Philos. Trans. (Royal Soc.) cxxiii. 465 A nebula shaped like a dumb-bell.] 184. J. P. Nichol Archit. Heavens (1851) 81 The celebrated ‘Dumb Bell’ nebula of Sir John Herschel. 1861 G. F. Chambers Handbk. Descr. Astron. vii. iv. 300 A curious object, near the 5th magnitude star 14 Vulpeculæ;..generally known as the ‘Dumb-bell nebula’. < as lemmas |
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