| spiral galaxy | (n) a galaxy having a spiral structure; arms containing younger stars spiral out from old stars at the center, Syn. spiral nebula |
| 旋涡星系 | [旋 涡 星 系 / 旋 渦 星 系] spiral galaxy [Add to Longdo] |
| 渦巻銀河;渦巻き銀河 | [うずまきぎんが, uzumakiginga] (n) spiral galaxy [Add to Longdo] |
| 渦状銀河 | [かじょうぎんが;うずじょうぎんが, kajouginga ; uzujouginga] (n) (See 渦巻銀河) spiral galaxy [Add to Longdo] |