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Short Communication Volume 10 Issue 1
The age of galaxies as a determining factor for redshift: an analysis from the perspective of the decreasing universe theory
João Carlos Holland de Barcellos
Received: December 31, 2025 | Published: March 3, 2026
Citation: Barcellos JCH. The age of galaxies as a determining factor for redshift: an analysis from the perspective of the decreasing universe theory. Phys Astron In. 2026;10(1):14-15. DOI: 10.15406/paij.2026.10.00406
Abstract
The Decreasing Universe (D.U.) theory proposes that the gravitational field induces a continuous contraction of space, offering an alternative explanation for cosmological redshift.1 A crucial and logical deduction from this theory is that a galaxy’s time of exposure to the gravitational field, i.e., its age, should directly influence the observed redshift. Older galaxies, having accumulated more time under spatial contraction, should exhibit a smaller redshift. This article examines this prediction, using the observed redshift difference between old (elliptical) and young (spiral) galaxies in clusters as a primary observational test for the D.U. theory.
Keywords: galaxies
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