An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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peculiar velocity
  تندا‌ی ِ اَفد  
tondâ-ye afd
Fr.: vitesse particulière  

  1. Velocity with respect to the Local Standard of Rest.

  2. Any velocity a galaxy has with respect to us that is not a Hubble law velocity due to the expansion of space.

See also: → peculiar; → velocity.