An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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sidereal rotation period
  دوره‌ی ِ چرخش ِ اختری  
dowre-ye carxeš-e axtari
Fr.: période de rotation sidérale  

The rotation period of a celestial body with respect to fixed stars. For Earth, same as → sidereal day.

See also: → sidereal; → rotation; → period.