Analysis compares distance-redshift models for Type Ia supernovae, indicating similarities with cosmological implications.
We fit an exponential distance-redshift model to the Pantheon+ dataset of 1701 Type Ia supernovae. With two parameters, the model achieves χ² = 688.67 vs ΛCDM's 684.60 (Δχ² = 4.07), rendering them statistically indistinguishable. Models diverge at z > 5, testable with JWST.
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Jason W. (2026) studied this question.
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