An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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heliacal rising
  بر‌آیش ِ هورانه  
barâyeš-e hurâné
Fr.: lever héliaque  

The first appearance of a star following a period of invisibility due to its conjunction with the Sun. → heliacal rising of Sirius.

See also: → heliacal; → rising.