When looking at dinosaurs and how they lived many millions of years ago it is clear that they must have done so under less gravitational pull from earth. But it is possible that earths gravity was the same when they roamed the planet but what allowed them to weigh less was that all mass in the universe was closer to earth at that time and thus exerting more of a pull in the opposite direction of earths gravity. As newtons Law clearly states all mass pulls on each other and as the distance between 2 objects increases the gravitational pull decreases. So as the universe expands it pulls less and less agains't earths gravity and thus all objects on earth now weigh more. Is this a possible thoery or are other objects in our universe to far away to change the weight of objects on earth as they move farther away?