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Continue to ChatSpace-time curvature and the cosmic horizon: derivations using the Newtonian world and the Friedmann-Robertson-Walker metric - https://avesis.hacettepe.edu.tr/publication/details/bbf64879-a141-4916-a53a-e3e4e81b7d90/space-time-curvature-and-the-cosmic-horizon-derivations-using-the-newtonian-world-and-the-friedmann-robertson-walker-metric