So earlier we typed point.x equals 10, with this code we set the x attribute of this point object.

所以之前我们输入 point. x 等于 10，使用这段代码我们设置了这个点对象的 x 属性。

So like a figure skater pulling their arms into a... point object, You can imagine black holes get spinning pretty fast.

这像一个花样滑冰运动员如果能将手臂缩成。。一小点，你应该可以想象出黑洞自旋会很快的。

Well first, let's think of how we measure the size of anything far away from us in deep space, like the radius of a star Most stars are so far away that they're simply point objects in our telescopes.

首先，让我们先来讨论一下我们是如何测量出任何远离我们物体的大小的。如莫颗恒星的半径大多数恒星在我们地球上的望远镜中看上去就是一个小点。