About 500 light-years away, the Rho Ophiuchi star clouds, are well in front of the nearby globular star cluster M4, visible just below and right of center.

 
  • 心宿增四星云大约距离我们500光年远,正好在附近球状星团M4的前方,可以看到M4位于中心的右下方。
今日热词
目录 附录 查词历史