An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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bow shock
  فرال-تش، فرال-شوک  
farâl-toš farâl-šok
Fr.: choc de proue  

A → shock wave created in front of an object moving through a medium with a velocity higher than that of the → sound waves in that medium. See, for example, → magnetosphere.

See also: → bow; → shock.