One approach attempts to pin down the exact electromagnetic force needed to balance the gravitational tug on an object .
一种方法试图确定用于平衡物体所受引力的电磁力的精确值。
It showed that waves at different heights oscillate at different frequencies due to gravitational time stretching .
它表示了不同高度上的波由于重力的时间延伸而以不同的频率来振动。
A neutron star is under a constant pressure battle : massive gravitational pressure squeezing the neutrons together , but a countering neutron degeneracy pressure pushing out .
一颗中子星处于一场持续的压力对抗中：物质引力的压力不断挤压中子，但反向的中子简并压把它们相互推开。
Gravitational perturbations from the clumps , in turn , can push the nascent planets into orbits closer to the parent star .
