peculiar velocity(redirected from Peculiar velocities)
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peculiar velocitySee peculiar motion.
peculiar velocity[pə′kyül·yər və′läs·əd·ē]
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.