As on a crowded dance floor, the congestion in a globular cluster can cause the neutron star to move closer to its companion, or to swap partners to form an even tighter pair.

• 如同在一个拥挤的舞厅里一样，球状星团里的壅塞局面会让中子星和它的伴星靠得更近，或者彼此交换舞伴，结合成更牢固的组合。