planetary motion

常见例句

Planetary motion is also a result of gravitation.
行星的运动也是引力的结果。
Kepler went on to show that an elliptical orbit is sufficient to explain the movement of the other planets and to devise the laws of planetary motion that Newton built on.
接着开普勒证明了这个椭圆轨道也能很有效解释其他行星的运行轨迹。然后他提出了行星运动定律，牛顿定律就是以此为理论基础的。
On August 6th America’s space agency, NASA, announced that its Kepler planet-detector (named after the man who worked out the laws of planetary motion, as this article explains) is also behaving well.
8月6日，美国航天局和美国宇航局（NASA），宣称其开普勒号行星探测仪（根据发现了行星移动定律的开普勒命名，点此可见详细介绍）现在运行得十分良好。

Then again, you will find the evolution of the planetary motion, because the rate of change of the rate of the change of the position is connected to the position.
同样地,这就是行星运动的演化过程,因为行星位移的变化率的变化率,与它的位移有关
耶鲁公开课 - 基础物理课程节选

Kepler is famous for discovering the three laws of planetary motion, laws which Isaac Newton later re-derived with his universal theory of gravitation.
FORBES: Kepler, Mars and the Turning Point in Astronomy
In the early 17th century, Johannes Kepler worked out the laws of planetary motion as a result of years of analysis of the observations made by Tycho Brahe.
ECONOMIST: Mining the digital skies