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By Townsend P.K.

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Sample text

X = 0 36 worldlines of x = constant orbits of k = ∂/∂t in Rindler spacetime Although the proper acceleration of an x = constant worldline diverges as x → 0 its acceleration as measured by another x = constant observer will remain finite.

H H This singularity is naked . 172) This solves Einstein’s equations so we have no a priori reason to exclude it. The CP diagram is 53 i+ ......... ..... .... ....

N timelike r q null p null Choosing S = +, then gives Penrose’s Theorem. Properties (iv) and (v) show that null geodesics may enter H+ but cannot leave it. This result may appear inconsistent with time-reversibility, but is not. The time-reverse statement is that null geodesics may leave but cannot enter the past event horizon, H− .

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