An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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interstellar extinction
  خاموشی ِ اندر-اختری  
xâmuši-ye andaraxtari
Fr.: extinction interstellaire  

The dimming of light traveling in the interstellar space due to the combined effects of
absorption and scattering by interstellar dust particles.
Interstellar extinction increases at shorter (bluer) wavelengths, resulting in → interstellar reddening.

See also: → interstellar; → extinction.