Their study, published in the Monthly Notices of the Royal Astronomical Society Letters, suggests that the observed redshift effect, which gave rise to the dark energy hypothesis, can be explained by the unbalanced passage of time in different parts of the cosmos.
According to the standard model, the Universe is expanding at an increasing rate due to dark energy.
However, a new theory suggests that the gravitational curvature of space-time, which varies according to matter density, causes the difference in the flow of time.
For example, time flows 35% slower within the Milky Way than in empty regions of space (vacuums).
This explanation eliminates the need for the dark energy hypothesis.
Instead, the observed redshift is due to time differences between regions of different gravity, rather than accelerated expansion. The work offers an alternative perspective on the structure of the Universe by questioning the basic principles of modern cosmology.
Source: Ferra
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