Hubble tension: The evidence of new physics

JP Hu, FY Wang - Universe, 2023 - mdpi.com
The Λ CDM model provides a good fit to most astronomical observations but harbors large
areas of phenomenology and ignorance. With the improvements in the precision and …

Asymmetry in galaxy spin directions—Analysis of data from DES and comparison to four other sky surveys

L Shamir - Universe, 2022 - mdpi.com
The paper shows an analysis of the large-scale distribution of galaxy spin directions of
739,286 galaxies imaged by DES. The distribution of the spin directions of the galaxies …

Asymmetry between galaxy apparent magnitudes shows a possible tension between physical properties of galaxies and their rotational velocity

D McAdam, L Shamir - Symmetry, 2023 - mdpi.com
Despite over a century of research, the physics of galaxy rotation is not yet fully understood,
and there is a clear discrepancy between the observed mass of galaxies and their rotational …

Bianchi I Spacetimes in Chiral–Quintom Theory

A Paliathanasis - Universe, 2022 - mdpi.com
In this paper, we study anisotropic exact solutions in the homogeneous Bianchi I
background geometry in a multifield theory. Specifically, we consider the Chiral–Quintom …

A Rotating Model of a Light Speed Expanding Hubble-Hawking Universe

UVS Seshavatharam, S Lakshminarayana - Physical Sciences Forum, 2023 - mdpi.com
Based on light speed expansion, a modified red shift formula, a scaled Hawking's black hole
temperature formula, the super gravity of galactic baryon matter and baby Planck ball, in our …

A Critical Examination of the Standard Cosmological Model: Toward a Modified Framework for Explaining Cosmic Structure Formation and Evolution

RN Nyagisera, D Wamalwa, B Rapando, C Awino… - Astronomy, 2024 - mdpi.com
This paper explores the fundamental cosmological principle, with a specific focus on the
homogeneity and isotropy assumptions inherent in the Friedmann model that underpins the …