extragalactic nebula معنى
- مجرّة
- nebula n. غمامة, سديم; سَ ...
- extragalactic astronomy علم الفلك خارج الم ...
- extragalactic planet كوكب خارج المجرة
تعريف الإنجليزية
الأسماء- (astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust; "`extragalactic nebula'' is a former name for `galaxy''"
مرادفات galaxy