This isn't really a "homework" question, this is just a question that a friend and I came up with a few months ago. I'm currently in grade 11 taking physics 11 honours, and far above the rest of my class Let's just say, IF the sun teleported instantaneously to a far away place in the unverse, in a way such that there is no less matter in the universe at any time, the amount of matter in the universe always remains the same. How long would it for the gravitational field that the sun had to dissipate. How long would the Earth stay in orbit for? Would it be 8.3 minutes (same as Speed of Light in a Vacuum)? Would it be instantaneous? Basically what I'm TRYING to ask is, how "fast" does gravity "move"?