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⭐What is " Einstein's General Theory of Relativity?⭐
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Albert Einstein, in his theory of specialrelativity, determined that the laws of physics are the same for all non-accelerating observers, and he showed that the speed of light within a vacuum is the same no matter the speed at which an observer travels.
General relativity General relativity abandons the notion of force and replaces it with the concept of curvature of space-time. The celestial bodies adopt trajectories as straight as possible, but they must submit to the configuration of space-time. Far from any distribution of matter, the curvature of space-time is null and all the trajectories are straight lines. Near a massive body like the Sun, space-time is deformed and bodies move on curved lines.
To be complete, the theory of general relativity must also provide a way to calculate the curvature of space-time created by a mass distribution. It does this through a very complex system of mathematical formulas, Einstein's equations, which connect curvature of space-time and mass distribution.
This system is so complex that it has only been solved in a few very simple cases, for example around an isolated star.Albert Einstein's worldview is therefore very different from that proposed by Isaac Newton. Nevertheless, most of the time the two theories give virtually identical results.
The divergences appear only in extreme conditions, either for bodies moving at a speed close to that of light, or for bodies that generate very powerful gravity fields. Which is not the case on Earth in everyday life. This is why motorists and pedestrians are aging at the same pace, as are the inhabitants of the ground floor and the top floor of a building.
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