Read Edit View history 马头星云 mǎtóuxīngyún Horsehead Nebula Origin Definitions Defs Strokes Stroke Words Sentences Sents 马头星云 馬頭星雲 mǎtóuxīngyún Horsehead Nebula Horsehead Nebula; a dark nebula in the constellation of Orion
马头星云 馬頭星雲 mǎtóuxīngyún Horsehead Nebula Horsehead Nebula; a dark nebula in the constellation of Orion