Recent content by Veridian

I have a question about gravity and the way it interacts with moving bodies. Let's say gravity was the surface of a very stretchy fabric. You take an object like a marble and roll it across an infinite plane of this fabric. The fabric causes the object to lose energy because of friction. My...

I am slowly learning more and more about physics, but one issue I've come across is understanding how gravity can have a speed. I was under the impression that gravity couldn't have a speed. I know gravity can be visualized as just curvature in spacetime, but how is it that something that is...