单词 | peculiar velocity |
释义 | peculiar velocity [pǝ`kyül·yǝr vǝ`läs·ǝd·ē] ASTRONOMY Superposed on the systematic rotation of the galaxy are individual motions of the stars; each star moves in a somewhat elliptical orbit and therefore shows a velocity of its own (peculiar velocity) to the local standard of rest, the standard moving in a circular orbit around the galactic center. |
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