An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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trigonometric parallax
  دیدگشت ِ سه‌برسنجی، ~ سه‌برسنجیک  
didgašt-e sebarsanji, ~ sebarsanjik
Fr.: parallaxe trigonométrique  

The → parallax of a nearby star (less than 300 → light-years) against the background of more distant stars resulting from the motion of the Earth in its orbit around the Sun.

See also: → trigonometric; → parallax.