银河星云 yínhéxīngyún galactic nebula Origin Definitions Defs Strokes Stroke Words Sentences Sents 银河 銀河 yínhé noun Milky Way The band of light seen in the night sky formed by stars in our galaxy; also called 天河 tiānhé, 星河 xīnghé, 银汉 yínhàn, 河汉 héhàn, or 云汉 yúnhàn.星云 星雲 xīngyún nebula A cloud of gas and dust in outer space visible in the night sky as an indistinct bright patch or as a dark silhouette