An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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geocentric parallax
  دیدگشت ِ زمین‌مرکزی  
didgašt-e zamin-markazi
Fr.: parallaxe géocentrique  

The difference between the direction of an object as seen from a point on the surface of the Earth and the direction in which it would be seen from the Earth’s center. Also known as → diurnal parallax.

See also: → geocentric; → parallax.