Known by the popular name of the Dumbbell Nebula, the beautifully symmetric interstellar gas cloud is over 2.5 light-years across and about 1,200 light-years away in the constellation Vulpecula.

• 它常被称为哑铃星云，是一个美丽的对称星际气体云，大小超过了2.；5光年，位于狐狸座内，距离我们大约1；200光年。