Quantitative validation confirms the exponential redshift model's accuracy using Type Ia supernovae data, suggesting implications for cosmology.
This study provides a quantitative validation of the exponential redshift model (Nagata 2026) using 1,701 Type Ia supernovae from the Pantheon+ dataset. The model, which assumes a static, closed universe with a curvature radius of 14 billion light-years, achieves a reduced chi-square of 0.51 and an RMS error of 0.181 mag with zero free fitting parameters. This work has been submitted to AAS journals for formal peer review.
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Hirokazu Nagata (2026) studied this question.
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