Posted: Feb 27, 2011 4:46 pm
by hackenslash
twistor59 wrote:Well, it's 25 years since I did any relativity, but I'm pretty certain that at the centre of a massive body, clocks would be running slower compared to ones at a distance from the body.

Indeed, that would be my understanding as well. The effect that a body would feel would be equivalent to having been cancelled out, because the gravitational attraction is coming from all directions rather than being unidirectional, but the immersion in a gravitational field would be precisely the same as it was at the surface. All that has changed is the direction of mass from the perspective of the observer, because now the observer is surrounded by it as opposed to being outside it. The relativistic time dilation would be the same though, I think.