In another possible oscillatory scheme, the moon becomes less rigid not because it becomes more pliable but because cracks develop.Tidal stresses fracture the ice and cause shear motions.

• 在另一个可能的振荡理论中，卫星刚性下降不是因为变软，而是因为出现裂缝，潮汐应力破坏冰层，造成剪向运动。