An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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principle of relativity
  پروز ِ بازانیگی  
parvaz-e bâzânigi
Fr.: principe de relativité  

The first postulate in Einstein’s theory of → special relativity whereby all the laws of physics are the same in every → inertial reference frame. In other words, no physical measurement can distinguish one inertial reference frame from another. See also → principle of constancy.

See also: → principle;
→ relativity.