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Hi Steve, I am afraid that I cannot agree with your point  . Whilst the accelerating expansion will separate those distant objects like distinct galaxies - at present the maths tends to show that these forces will not overcome even the gravitational attraction within a galaxy let alone the short range forces that hold objects together. The big rip just will not happen ; galaxies will stay as galaxies, molecules as molecules.
According to my point of view about the theory that matter is basically construct exclusively of photons, we may
I don't think the big rip has been "disproved," although the scenario is less likely now, with more precise data, than it was when we first came up with the idea. It might still occur, but if it did, our best guess is that it would take more than 10 times longer (say 100 billion years, instead of 10 billion years) to happen than we originally estimated.