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

rotation curve n. Astronomy a graph of the orbital speed of stars, gas clouds, etc., in a galaxy plotted against their distance from the galactic centre.The rotation curve of a typical spiral galaxy, outside the central bulge, is flat, the orbital speed remaining approximately constant with distance rather than decreasing with distance as predicted by Kepler's third law; the existence of dark matter has been postulated to account for this discrepancy.

ΚΠ

1960 Proc. National Acad. Sci. U.S.A. 46 10 The rotation curve for the Galactic System.

2006 P. Halpern & P. Wesson Brave New Universe iv. 124 Other galaxies..possess flat rotation curves; over vast distances from their centers, the velocities of their stars do not taper off.

单词	rotation curve
释义	> as lemmas rotation curve rotation curve n. Astronomy a graph of the orbital speed of stars, gas clouds, etc., in a galaxy plotted against their distance from the galactic centre.The rotation curve of a typical spiral galaxy, outside the central bulge, is flat, the orbital speed remaining approximately constant with distance rather than decreasing with distance as predicted by Kepler's third law; the existence of dark matter has been postulated to account for this discrepancy. ΚΠ 1960 Proc. National Acad. Sci. U.S.A. 46 10 The rotation curve for the Galactic System. 2006 P. Halpern & P. Wesson Brave New Universe iv. 124 Other galaxies..possess flat rotation curves; over vast distances from their centers, the velocities of their stars do not taper off. extracted from rotationn. < as lemmas
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