This paper investigates reported anomalies in cosmological time dilation observed in quasar variability and explores an alternative physical interpretation within the MyominAung Photon-Sea Theory (MATE). While standard relativistic cosmology predicts temporal stretching of observed signals proportional to (1+z) due to cosmic expansion, several quasar light-curve analyses indicate little or no detectable time dilation at high redshift, within observational uncertainties. Within the MATE framework, the vacuum is modeled as a stationary photon-sea medium possessing frequency-dependent refractive properties. In this picture, cosmological redshift arises from gradual, cumulative energy loss during photon propagation through the medium, rather than from spacetime expansion. Crucially, this mechanism modifies photon frequency while preserving intrinsic temporal pulse spacing, naturally accounting for quasar timing observations without requiring expansion-induced time stretching. A qualitative comparison between expanding-spacetime and static-medium interpretations is presented, highlighting clear observational distinctions in predicted signal timing behavior. The framework further offers an alternative perspective on the Hubble tension, suggesting that discrepancies in inferred values of the Hubble constant may reflect variations in photon–vacuum interaction histories rather than fundamental inconsistencies in cosmology. This work does not aim to replace standard cosmological models, which remain successful across many observations, but rather provides a supplementary, frequency-based interpretation of high-redshift timing phenomena. It serves as a consistency and plausibility study supporting the broader MATE program and its master-equation formulation.
Myomin Aung (2026) studied this question.