One day,while straying dangerously close to a black hole,you notice that no matter how hard you try to remain at rest,you are inevitably drawn into the black hole unless you keep moving.What does this experience tell you about the black hole (other than that you should not be near it!)?

Question

Quizplus · Accepted Answer

The experience suggests that the black hole is rotating. This is because the phenomenon described is due to the effects of the black hole's rotation on nearby space-time. The rotation of a black hole causes space-time to be dragged along with it. As a result, an object that appears to be stationary relative to the space-time around the black hole will be dragged towards it if it does not move. This effect is known as frame dragging.

One Day,while Straying Dangerously Close to a Black Hole,you Notice