If the center of NGC 4258 were a starcluster, the stars would be so closely spaced that collisions between individual stars would have long ago torn the cluster apart.
如果 NGC 4258 的中心是一个星团，恒星之间的距离会非常近，以至于在很久以前单个恒星之间的碰撞就会把星团撕裂。
2
In the well known Pleiades starcluster, starlight is slowly destroying this wandering cloud of gas and dust.
在著名的昴宿星团里，星光正缓慢地摧毁这些游荡的气体和尘埃的云团。
3
Sliding your cursor over the picture will identify the planets, the stars of Leo, and a long-recognized starcluster in Coma Berenices.