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
They stumbled on it in a starcluster called Westerlund 1, which is located 16,000 light-years from Earth.
他们在一个叫韦斯特伦德1号星团(距离地球16000光年)无意中发现这颗磁星。
3
In the well known Pleiades starcluster, starlight is slowly destroying this wandering cloud of gas and dust.