Hi friends I am today taking about space time and how it govern the universe . mainly space time is a 4 dimensional structure . space and Time is other dimension . Albert Einstein firstly suggest this in his theory of special theory of relativity for clarify the origin of gravity . when a massive body like sun can create curvature on space time that froms gravity an d bending of light from another star and it conform the speed of light is same irrespective of frame of reference .
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