渦巻星雲 | [うずまきせいうん, uzumakiseiun] (n) spiral nebula [Add to Longdo] |
spiral galaxy | (n) a galaxy having a spiral structure; arms containing younger stars spiral out from old stars at the center, Syn. spiral nebula |
渦巻星雲 | [うずまきせいうん, uzumakiseiun] (n) spiral nebula [Add to Longdo] |