Titlebook: Relativity for Everyone; How Space-Time Bends Kurt Fischer Book 20131st edition Springer International Publishing Switzerland 2013 (General

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Equivalence Principle in Action,ed, we know how gravity bends space-time near heavy masses like planets or stars. Exactly how the falling speed is increasing, we will see in Chap. ., after we learned about the Einstein equation of gravity.

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Light, Time, Mass, and Length,e space and time around us. Rods moving relative to us become shorter when lying in direction of their speed, but not when lying at right angles. Moving clocks go slower. Events at different places may happen “at the same time” for someone, but not at the same time for someone else traveling at diff

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Solving the Einstein Equation of Gravity, solution of the Einstein equation, that is the Schwarzschild solution. This is about how space-time bends around a ball-like heavy mass like a star or planet. In the preceding chapters, we already learned more or less how space-time bends around a ball, letting a small test-mass free-fall towards t