单词 | supergalactic |
释义 | supergalacticadj. Astronomy. Of or relating to a supergalaxy; that is, or is on, a scale larger than that of a galaxy. ΘΚΠ the world > the universe > constellation > galaxy > [adjective] > cluster metagalactic1930 supergalactic1930 1930 H. Shapley Flights from Chaos xii. 128 A revised hypothesis is emerging from current studies—a supergalactic system is displacing the unified discoid of stars and stellar clouds. 1930 Southwest Rev. 15 142 Mechanical models..are perhaps unknown in both the sub-atomic and the super-galactic worlds. 1948 Rep. Comm. Measurem. Geol. Time 1946–1947 (National Res. Council (U.S.)) 33 It might be set as ‘zero time’ in a discussion of solar system, galactic, and supergalactic evolution. 1971 New Scientist 29 July 245/1 His final choice of supergalactic equator gave highly positive concentration indices for galaxies in the northern galactic hemisphere. 2007 Sci. Amer. (U.K. ed.) Feb. 26/1 One possible conclusion is that different laws of gravity apply on supergalactic scales than on lesser ones. This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022). < adj.1930 |
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