引力弹弓弹弓效应用于加速飞船在星际间飞行。美国航空航天局称这是一个重力辅助，并利用它来节省执行去木星和土星等外行星的任务时消耗的燃料。
The slingshot effect is used to accelerate a spacecraft in a planetary flyby 。 NASA calls this a gravity assist , and exploits it to save fuel in missions to outer planets such as Jupiter and Saturn .
引力弹弓效应