An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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sky brightness
  درخشندگی ِ آسمان  
deraxšandegi-ye âsmân
Fr.: brillance du ciel  

Atmospheric (→ airglow, → auroral emission, → artificial light) or extraterrestrial (→ scattered  → sunlight from Moon, scattered → starlight, → interplanetary dust)
foreground light that → interferes with → observations.

See also: → sky; → brightness.