散さん光こう星せい雲うんさんこうせいうんじ字FuriganaMeanings1noundiffuse nebulaastronomy›Astronomical term for a nebula that appears spread out and lacks a well-defined shape, as opposed to a planetary nebula or supernova remnant.散さん光こう星せい雲うんは、星ほしの光ひかりを反はん射
