An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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interstellar grain
  دانه‌ی ِ اندر-اختری  
dâne-ye andaraxtari
Fr.: grain interstellaire  

Irregularly shaped → dust grains that occur in the → interstellar medium. They are mostly composed of carbon and/or silicates and measure a fraction of micron across.

See also: → interstellar; → grains.