What is space represented by in the theory of general relativity ?
[[ File:BH LMC.png | 270px | right | thumb | Gravitational distortions caused by a black hole in front of the Large Magellanic Cloud ( artistic interpretation Provided by : Black hole 1905 : Albert Einstein Proposes Special theory of Relativity 1905 : Albert Einstein 's special theory of relativity shows that space and time are relative , not absolute , and that time is actually a fourth dimension within what he calls " space - time . "