horsehead造句
Horsehead Nebula: New stars have already formed inside part of it.
马头星云: 新的?星已经在其内部形成了.
Directly below Alnitak, a close inspection will reveal the
Horsehead Nebula.
经过仔细查看就可以发现紧挨着参宿一的下方就是马头星云.
Light takes about 1500 years to reach us from
Horsehead Nebula.
从马头星云发出的光需要经过1500光年才能到达我们这里.