An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 2 Search : rotational motion
non-principal axis (NPA) rotational motion
  جنبش ِ چرخشی به گرد ِ آسه‌ی ِ نا-فرین   
jonbeš-e carxeši be gerd-e âse-ye nâ-farin

Fr.: mouvement rotationnel autour de l'axe non-parincipal   

A → tumbling motion of an → asteroid. See also → tumbling asteroid.

non-; → principal axis; → rotational; → motion.

rotational motion
  جنبش ِ چرخشی   
jonbeš-e charkheshi

Fr.: mouvement de rotation   

Of a → rigid body, a motion in which there are always two points of the body which remain motionless.

rotational; → motion.