| 单词 | galactic centre |
| 释义 | > as lemmasgalactic centre galactic centre n. the central point or zone of the galaxy. ΚΠ 1876 Proc. Acad. Nat. Sci. Philadelphia 363 (heading) The direction from our own position to the galactic centre or to the centre of gravity of our sidereal system. 1918 Proc. National Acad. Sci. U.S.A. 4 229 The motion of the cluster as a whole is in the galactic plane, nearly radial from the galactic center. 2003 J. Scalzi Rough Guide to Universe xiii. 186 The stars and clusters in the galaxy proper have mostly regular, near-circular orbits around the galactic centre. < as lemmas |
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