Comment Re:A projection of what? (Score 1) 433
What do you mean it was proven wrong? It never was, and it hasn't been yet. It probably can't be. (Well, except in the sense that Newtonian Mechanics was wrong.)
Sure it was. We now understand the laws of gravity (to within a marginal percent, anyway). Orbiting bodies have orbital periods corresponding with their distance from the center body and the weight of the center body. The planets all orbit the sun, and the moon orbits the earth.