Abstract
The Flat Space Cosmology (FSC) model is utilized to show how this model predicts the value of the Hubble parameter at each epoch of cosmic expansion. Specific attention in this paper is given to correlating the observable galactic redshifts since the beginning of the “cosmic dawn” reionization epoch. A graph of the log of the Hubble parameter as a function of redshift z is presented as the FSC prediction of the pending Dark Energy Survey results. In the process, it is discovered that the obvious tension between the SHOES local Hubble constant value and the 2018 Planck Survey and the 2018 Dark Energy Survey global Hubble constant values may be explained by a time-variable, scalar, Hubble parameter acting in accordance with the FSC model.
Highlights
Introduction and BackgroundThe SHOES (Supernovae, H0, for the Equation of State of dark energy) report [1] of a “best estimate” local Hubble constant value of 73.24 ± 1.74 km·s−1·Mpc−1 is in tension with the global Hubble constant estimates of 67.36 ± 0.54 km·s−1·Mpc−1 and 67.77 ± 1.30 km·s−1·Mpc−1 reported by the 2018 Planck Survey [2] and 2018 Dark Energy Survey (DES) [3] collaborations, respectively
It is discovered that the obvious tension between the SHOES local Hubble constant value and the 2018 Planck Survey and the 2018 Dark Energy Survey global Hubble constant values may be explained by a time-variable, scalar, Hubble parameter acting in accordance with the Flat Space Cosmology (FSC) model
The heuristic FSC Rh = ct cosmology model is utilized to evaluate the tension between the SHOES local Hubble constant value and the Planck Survey and Dark Energy Survey global values
Summary
The SHOES (Supernovae, H0, for the Equation of State of dark energy) report [1] of a “best estimate” local Hubble constant value of 73.24 ± 1.74 km·s−1·Mpc−1 is in tension with the global Hubble constant estimates of 67.36 ± 0.54 km·s−1·Mpc−1 and 67.77 ± 1.30 km·s−1·Mpc−1 reported by the 2018 Planck Survey [2] and 2018 Dark Energy Survey (DES) [3] collaborations, respectively. One of the important ways in which the FSC model is superior to the ΛCDM concordance model is in its predictive capacity with respect to calculating the value of the Hubble parameter at every second of cosmic evolution from the Planck-scale epoch. This FSC value fits the 66.93 ± 0.62 km·s−1·Mpc−1 value predicted by ΛCDM with 3 neutrino flavors having a mass of 0.06 eV It is the purpose of this paper to show how the FSC model, since its inception, has provided a means to calculate the Hubble parameter values correlating with every cosmic redshift epoch since “cosmic dawn”
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