单词coal--sack
网络: 煤袋星云
Just below the Southern Cross on the far left is the dark Coal Sack Nebula, and the bright nebula on the far right is the Carina Nebula.
南十字座左下方的是黑暗的煤袋星云，而最右侧明亮的星云是船底座星云。
Soon the unusual dark patch of the Coal Sack Nebula can be seen on the Milky Way band, near the famous Southern Cross.
不久，在银河上，著名的洛阿山南十字旁边我们能看到那个不寻常的煤袋星云。