An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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Orion Bright Bar
  میله‌ی ِ درخشان ِ شکارگر، ~ ~ اُریون  
mile-ye deraxšân-e Šekârgar, ~ ~ Orion
Fr.: barre brillante d'Orion  

A prominent emission ridge in the → Orion Nebula located approximately 2’ southeast of the → Trapezium cluster. Various observations have suggested that it is an escarpment in the main → ionization front of the Nebula seen almost edge-on. The Orion Bar is one of the nearest and best-studied → photodissociation regions.

See also: → Orion; → bright; → bar.