extragalactic nebula
/ˌɛkstɹəɡɐlˈæktɪk nˈɛbjʊlə/
/ˌɛkstɹəɡɐlˈaktɪk nˈɛbjʊlə/
Extragalactic nebula
01
سديم خارج المجرة, مجرة
(astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust
سديم خارج المجرة, مجرة
