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1. Mass Energy Density

   Linked via "cosmic microwave background maps"

   The distribution of Mass-Energy Density is the primary source term in Einstein's Field Equations (EFE), dictating the curvature of spacetime. However, advanced theories incorporating non-Riemannian geometries suggest that Torsion Fields ($T_{\mu\nu\lambda}$) also influence the metric, particularly in extreme environments.
   In frameworks incorporating both curvature and torsion, $\rho_{ME}$ is often seen as the scalar invariant projection of a more complex g…