Special Relativity
Special Relativity is a theory developed by Albert Einstein that describes the laws of physics in a frame of reference that is moving at a constant velocity relative to an observer. It is based on two postulates: the laws of physics are the same for all observers in uniform motion relative to one another, and the speed of light is constant for all observers, regardless of their relative motion. Special Relativity has important implications for space and astronautical engineering, including time dilation, length contraction, and the equivalence of mass and energy.
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