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The difference with general relativity is that, in the general situation, there is a coupling between the degrees of freedom of any reference body (thus any observer) and gravity, so one cannot neglect the effects of dynamics on the observer, which means that the dynamics of matter and force fields affect on length, time and causal structure.
May 3, 2016 · After the general implications of general relativity for cosmology (e.g., the description of cosmic dynamics in terms of a dynamical space-time metric) had been established, the cosmological debate was separate enough from the full theory of general relativity to open a field of discussion in which these implications could be modified and ...
Nov 25, 2023 · Einstein’s most famous equation describes the relationship between energy, mass, and the speed of light. It says energy (E) equals mass (m) times the speed of light (c) squared (2), or E=mc 2. It means that mass and energy are related and can be changed from one to the other. Mass is basically the amount of material an object contains (which ...
Jul 7, 2023 · Cultural relativism suggests that ethics, morals, values, norms, beliefs, and behaviors must be understood within the context of the culture from which they arise. It means that all cultures have their own beliefs and that there is no universal or absolute standard to judge those cultural norms. "Cultural relativism leads us to accept that ...
Mar 1, 2012 · What we call gravity is the result of the warping of time by the mass of the earth. Gravity is a force exerted by the earth to stop you from falling. We all have a destination in spacetime that is ...
Jul 19, 2022 · The Christoffel symbol itself $\Gamma^\mu_{\alpha\beta}$ can be read as follows; the two lower indices, $\alpha$ and $\beta$, describe the change in the $\alpha$ basis vector caused by a change in the $\beta$ coordinate. The upper index $\mu$ then gives the specific direction in which the change in the basis vector occurs in.
Jun 23, 2014 · The general theory of relativity is our best concept of gravity. It states that the presence of mass distorts the space-time grid, like a bowling ball that sits on a stretched rubber sheet.
