| 1. | Still hold approximately outside the event horizon
仍勉强适用。 |
| 2. | Near the event horizon , the time dilation increases rapidly
靠近活动视界，时间膨胀快速地增加。 |
| 3. | At the event horizon , the escape velocity is equal to the speed of light
在活动视界里，逃逸速度等于光速。 |
| 4. | However , anything inside the inner event horizon can never escape
内事件穹界才是真正的死亡线，一旦进入便永无翻身之日。 |
| 5. | Outside the event horizon , there is a sphere which light can orbit around the black hole
在事件穹界之外，有一个称为光子球层 |
| 6. | You are told that once something enters the event horizon , it can never get out
：到目前为止，我们不断强调事件穹界是一条不归路。 |
| 7. | However an observer at the event horizon would think that the man never reached the center at all
然而事界的观察者认为那个人根本不能到达中心。 |
| 8. | Namely a non - rotating and electrically neutral one , the radius of the event horizon is called the
即一个并不自转和不带电的黑洞事件穹界的半径称为 |
| 9. | The region inside the event horizon is defined to be the region of space occupied by the black hole
在史瓦西半径以内的范围，被定义为黑洞所占有的空间。 |
| 10. | This spinning area surrounding the event horizon is called the ergosphere and has an ellipsoidal shape
这活动视界周围旋转的区域是所谓的能层而具有椭圆形。 |
