- #1
alba
- 140
- 4
Does GR use spacetime mainly in order to include SR?
Couldn't gravity be explained just with mass curving space and not spacetime?
Why can't we explain the trajectories by field lines in regular space and choose the warp the structure of space itself,which is a really tricky business? How can space be homogeneous and isotropic if it is at same time expanding (cosmology) ,being curved (GR) and contracted (SR) at same time?
Couldn't gravity be explained just with mass curving space and not spacetime?
Why can't we explain the trajectories by field lines in regular space and choose the warp the structure of space itself,which is a really tricky business? How can space be homogeneous and isotropic if it is at same time expanding (cosmology) ,being curved (GR) and contracted (SR) at same time?