Astrophysics

   

Is it Necessary to Modify the Age of the Universe Due to the Ages of the Most Distant Galaxies that Are Now Being Discovered?

Authors: Fernando Salmon Iza

The recent discoveries of distant galaxies with a redshift z > 10 seem to call into question the estimate of 13.8 billion years for the age of the universe. The age of some of these galaxies is estimated to be close to or even greater than the age of the universe, a result that seems impossible to make compatible with the estimated age of the universe in the Standard Model. Therefore, the scientific community is studying the possibility of modifying the current value of this age and is reviewing the procedures that led to its current estimate. We therefore ask ourselves whether, with a universe age of 13.8 billion years, we can measure intergalactic distances greater than 13.8 billion light-years. The answer we arrive at in this work is that, theoretically, it is possible to measure significantly greater intergalactic distances in our current universe without needing to modify the age of the universe. We have reached this conclusion by studying the consequences that the spatial curvature of our universe has on the estimation of these distances. First, we determined the sign of the spatial curvature of the universe at present. We then developed a cosmology consistent with that sign, and finally, we determined distances and times. The conclusion is that it is possible in our current universe to measure distances significantly greater than its age in light-years allows, making current experimental results compatible with the value of the age of the universe.

Comments: 6 Pages.

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[v1] 2025-07-30 17:31:06

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