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: 1 Search : plane of the sky
plane of the sky
  هامن ِ آسمان   
hâmon-e âsmân

Fr.: plan du ciel   

An imaginary plane that is perpendicular to the → line of sight.

plane; → sky.