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Solving the Hubble Tension from CMB Photon Density: A Cosmological Redshift Prediction That Perfectly Matches the Full Distance Ladder of Type Ia Supernovae (PantheonPlusSH0ES)

25 May 2025, Version 1
Working Paper
This content is an early or alternative research output and has not been peer-reviewed by Cambridge University Press at the time of posting.

Abstract

We are demonstrating that the full SN Ia distance ladder can be matched simply by determining a single Hubble parameter, based on knowledge of the CMB photon density. We find that H0 = 66.8943±0.0295km/s/Mpc provides a perfect match to the full SN Ia distance ladder and resolves the Hubble tension.

Keywords

CMB photon density
CMB temperature
geometric mean
Hubble tension
Hubble parameter

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Version History

May 25, 2025 Version 1

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The content is available under CC BY NC ND 4.0 [opens in a new tab]

DOI

10.33774/coe-2025-x45c0
D O I: 10.33774/coe-2025-x45c0 [opens in a new tab]

Author’s competing interest statement

The author(s) have declared they have no conflict of interest with regard to this content

Ethics

The author(s) have declared ethics committee/IRB approval is not relevant to this content

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