One of them is the force of gravitation (地心引力), which tries to pull the satellite towards the earth and is like a rope which keeps the satellite from flying away.

其中一个是地心引力的力量，这股力量试图把卫星拉向地球，就像一根把卫星绑住的绳子，防止卫星飞远了。

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Planetary motion is also a result of gravitation.

行星的运动也是引力的结果。

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Everybody knows that. It's the property of gravitation.

这就是万有引力的性质，我们都很了解了。

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Not only did he formulate laws of gravitation, he also invented calculus and he also learned how to solve the differential equation for calculus.

他不仅找出了引力定律的公式,还发明了微积分,同时也得出了微分方程的解法

耶鲁公开课 - 基础物理课程节选

This also tells you that the mass of an object has nothing to do with gravitation.

这也表明,物体的质量与重力无关

耶鲁公开课 - 基础物理课程节选

That's the Law of Universal Gravitation.

这条定律叫做万有引力定律

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.

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After he returned home, King said that he was struck by how Gandhi embodied in his life certain universal principles that are inherent in the moral structure of the universe, and these principles are as inescapable as the law of gravitation.

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In spite of these misgivings, there is nothing in Einstein's theory of space, time and gravitation to forbid journeying into the past, a possibility that Einstein himself hated.

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