The dwarf galaxies fornax and sculptor are themselves made of 99 percent dark matter and only 1 percent normal matter .

天炉座和玉夫座这2个矮星系中，百分之九十九由暗物质构成，剩下的百分之一是普通物质。

A constellation in the southern hemisphere near fornax and cetus .

波江星座在南天接近鲸鱼座和天炉座的一个星座。