Likewise, when in outer space, when you are orbiting the Earth, people are always floating around in these space stations.
就好比在外太空,当你在绕地球运行时,宇航员总是悬浮在太空站
Remember, when we hang the elephant in outer space, nothing is going to happen.
记住,如果我们在外太空悬挂一头大象,弹簧是不会有变化的
Imagine that this is in outer space where there is no gravity for now.
就假设现在这是在没有重力的外太空
You can go in outer space-- No, it won't move very much.
你能到外太空去,是的,它不能跑得太远
You can anchor things to objects in outer space.
你能将一些东西固定在外太空中的物体上
For example, in outer space, you've got an astronaut.
比如在外太空,假如你是宇航员
But suppose you were in outer space.
但假如你在外太空
In fact, there's a property of gravitational fields anywhere, even in outer space, but there is some residual field between all the planets and all the stars in the universe, that the force on a body is proportional to the mass of the body.
实际上,这是任何地方的引力场都具备的属性,甚至是在外太空,在所有的行星和恒星之间,存在着某种剩余场,在这个场里作用在物体上的力,和物体的质量之间存在比例关系
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