An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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anticrepuscular rays
  پرتوهای ِ پاد نیمتابی  
partowhâ-ye pâdnimtâbi
Fr.: rayons anticrépusculaires  

Rays of → sunlight that appear to converge at the → antisolar point. Like → crepuscular rays, they are parallel beams of sunlight from holes in the clouds, and their apparently odd directions are a perspective effect.

See also: → anti-; → crepuscular rays.