An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک



geometric horizon
  افق ِ هندسی  
ofoq-e hendesi
Fr.: horizon géométrique  

Where the apparent → sea horizon would be if there were no → atmospheric refraction.

See also:geometric; → horizon.