sky horn

例句：

1. 1. The skyhorn is a fascinating object in the nightsky.
   天琴座星云是夜空中一个令人着迷的物体。
2. 2. Astronomers have been studying the skyhorn for decades.
   天文学家们已经研究这个天琴座星云几十年了。
3. 3.The sky horn is believed to bethe birthplace of many stars.
   天琴座星云被认为是许多恒星的诞生地。