An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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modern physics
  فیزیک ِ نوین  
fizik-e novin (#)
Fr.: physique moderne  

The physics developed since about 1900, which includes Einstein’s → relativity theory and → quantum mechanics, as distinguished from → classical physics. Much of modern physics is concerned with the behavior of matter and energy under extreme conditions or on the very small scale.

See also: → modern; → physics.