An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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angular distance
  اپست ِ زاویه‌ای  
apest-e zâviye-yi
Fr.: distance angulaire  

Between two points A and B, the angle → subtended by lines drawn from an observing point O to A and B. Same as → angular separation.

See also: → angular; → distance.