The Concept of Dark Energy is not Based on the Principles of Physics: Cosmological Data Can be clearly Explained Without this Concept

TL;DR

This paper argues that dark energy is not necessary to explain cosmological acceleration, which can be understood through existing physics without exotic concepts, challenging current mainstream interpretations.

Contribution

It presents a simplified explanation showing that cosmological acceleration can be explained without dark energy, based on prior technical work by the authors.

Findings

Cosmological acceleration can be explained without dark energy.

Existing physics suffices to describe the observed phenomena.

The authors' approach challenges the need for exotic explanations.

Abstract

The physics community has adopted the principle that when new experimental data appears, physicists should first try to explain it based on existing science. Only if all such attempts fail can new exotic explanations be brought in. However, in the case of cosmological acceleration, the opposite approach was taken: without serious attempts to explain this phenomenon from existing science, physicists attracted dark energy and other exotic concepts whose physical meaning is a mystery. As shown in our publications, the cosmological acceleration can be clearly explained without uncertainties. The derivation of this explanation requires significant technical efforts described in our publications. The purpose of this article published in the Proceedings of the 2nd International Conference on Gravitation, Astrophysics and Cosmology (April 16-17, 2026, Paris, France) is to explain our approach at the simplest possible level so that the basic ideas of our approach would be understandable to many physicists and astrophysicists.