| 読み | しょううちゅう |
|---|---|
| 品詞 | 名詞 |
| カテゴリ |
(1)(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'"
(2)星系の集まり
(3)各々が多くの星と星雲とちりを持っている何億ものシステムのどれでも
(1)`extragalactic nebula' is a former name for `galaxy'
(2)'銀河系外星雲'は'銀河'の昔の名称である