(March 2, 2018 at 1:51 pm)zebo-the-fat Wrote: Gravity does not affect light directly, but it does bend the spce-time that the light is moving in
In that sense, it doesn't affect *anything* directly. The reason planets orbit the sun is because of the curvature of spacetime the sun produces. It is that curvature that makes the planets move the way they do.