An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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gnomonic projection
  فراشانش ِ باهویی  
farâšâneš-e bâhu-yi
Fr.: projection gnomonique  

The projection of a spherical surface onto a plane through a point. A gnomonic → map projection displays all great circles as straight lines, and therefore indicates the shortest path between two points. Small circles are projected as conic sections.

See also: → gnomon; → -ic; → projection.