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General relativity from A to B Robert Geroch
Publisher: U.Chicago

Has finally proved general relativity right, according to NASA. A gravity probe whose origins date to the era before human spaceflight has finally proved general relativity right, according to NASA. 2 ,” General Relativity and Gravitation, vol. Ok, if you've already read the previous post, we can now dive into the awesomeness of General Relativity. Also, special relativity considers space-time to be a passive arena for events, but general relativity requires spacetime to be dynamic in the sense that changes in matter-energy can change the curvature of space-time itself. Odintsov, “Where new gravitational physics comes fromml: M-theory?” Physics Letters B, vol. I' ve already So aside from the problem of being stuck in a small room, you also have no way at all to scientifically determine whether you're in situation A or situation B. Applying Einstein's general relativity theory, the team determined that Sirius B packs 98 percent of the mass of our sun within its 7,500-mile diameter (12,000 kilometers), or within a volume slightly smaller than Earth. The process of temporal becoming in my own consciousness smacks against the claims of B-theorists. The rotation of the Earth affects the movement of spacetime itself. How do we know that general relativity is correct? Both scenarios are effectively equal, from a physics point of view. General relativity is said to have reintroduced absolute simultaneity into physics. Common sense, but for distant events occurring close enough in time to be in each other's absolute elsewhere, event A can occur before event B in one reference frame, but after B in another frame, and simultaneously with B in yet another frame. Critical Questions: What is General Relativity? They developed a general scheme for cosmological reconstruction of modified gravity in terms of red-shift without using an auxiliary scalar in intermediate calculations. The Gravity Probe-B measured the geodetic effect, the amount that Earth warps the space and time in which it sits, and frame-dragging, or the extent that Earth's rotation churns spacetime around with it.