The concept of entanglement has gotten me thinking. I am wondering what would happen if two entangled particles were to be prepared, with one of them being held in the lab on the Earth, while the other is placed into a space ship and accelerated at a great rate for a long time, akin to the Einstein twin paradox. If a measurement were to be taken of the accelerated particle, I take it that the particle on Earth would be affected, in the same manner that any pair of entangled particles would behave. But WHEN would this take place for the particle on earth? The measurement would occur, from the frame of the Earth-bound particle, far into the future. Would the Earth-bound particle be affected by the "future" event after some delay? Or would the affect occur such that it is "simultaneous" (in some frame) with the measurement? Or am I adding some sort of misunderstanding into the mix and complicating things unnecessarily? I can't quite wrap my mind around this well enough to even think I might be able to propose a correct answer. Can anybody point me to a discussion or explication of entanglement which takes into account different and varying curvature of spacetime for the entangled particles?