His first care was, to render the attraction of the earth an inefficient element in his experiment. He did it in the following way.

首先，他要在自己的实验中排除地球引力的影响。

youdao

At Epcot the main attraction (that big giant Epcot ball) houses Spaceship Earth; a ride that takes you back through the history of our little planet.

在未来世界，最主要的景观（巨大的爱波皮卡球）内有太空船地球；星球历史之旅。

youdao

And the answer is no.Gravitational attraction in itself cannot cause the earth to start spinning faster or slower, at least if you assume the earth to be a solid, which actually is false.

答案是不，万有引力，自身不能改变地球旋转快慢，如果假设地球是固体的话，实际上它不是。

youdao

Tide: periodic rising and falling of large bodies of water resulting from the gravitational attraction of the moon and sun acting on the rotating earth.

UNESCO: L O S S A R Y