![]() Thinking in four dimensions is difficult, so space-time can be thought of as a rubber sheet. Space-timeĪll three dimensions of space (height, width and breadth) are woven together with the idea of time to make up the fabric of the universe – space-time. Gravity is explained by these equations, which are consistent with what we see in reality. These equations combine space and time to create space-time. The theory is a series of equations defined by Einstein. ![]() ![]() It took Einstein 10 years to make the theory work for gravity too, which is how general relativity gets its name. ![]() 'Special' means ‘in certain circumstances’ – so not including the effect of gravity. Ten years before general relativity, Einstein came up with special relativity, which explained the relationship between space and time – and how they are related to each other. ![]()
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