adj. 万有引力的,重力的;地心吸力的
网络 重力的; 万有引力的; 地心吸力的
Its oscillation depends on the strength of the gravitational field.
它的摆动取决于重力场的力。
If a spacecraft travels faster than 11 km a second, it escapes the Earth´s gravitational pull.
如果一架宇宙飞船飞行超过每秒11公里,它就能摆脱地球引力。
It is the gravitational interaction with planets, right?
这是引力与行星的相互作用,对吧?
Finally, scientists measure the star´s wobble due to the planet´s gravitational tug, known as the radial velocity.
最后,科学家测量了由于行星的引力拖拉而产生的恒星摆动,这就是径向速度。
Today such gravitational compensation probably would not occur: the outer layer of the Moon is too cold and stiff.
今天这种引力补偿很有可能不会发生:月球的外层过于寒冷和坚硬。