Flip the balloon inside out, make the center a point in time, rather than a point in space (the start). As the balloon expands, everything moves out from the center. But there’s no geographical location because the center is a point in spacetime, not a point in space.
Flip the balloon inside out, make the center a point in time, rather than a point in space (the start). As the balloon expands, everything moves out from the center. But there’s no geographical location because the center is a point in spacetime, not a point in space.