The James Webb Space Telescope (JWST) has made a groundbreaking discovery that challenges the current understanding of the universe’s age. Based on its observations, scientists now believe the universe may be approximately 26.7 billion years old, rather than the previously accepted estimate of 13.8 billion years.
This new estimate was reached after analyzing data from the JWST and combining it with other theories, including the tired light theory and an evolving model based on coupling constants. The resulting hybrid model accurately accounts for both supernovae and JWST data, providing a more precise understanding of the universe’s age.
The discovery was triggered by the presence of “impossible early galaxies” that emerged during the cosmic dawn, around 500-800 million years after the Big Bang. These galaxies should not have evolved with disks so quickly, leading scientists to question the current timeline. Rajendra Gupta from the University of Ottawa attempted to reconcile this discrepancy using conventional models before turning to a hybrid approach.
The JWST’s launch in December 2021 strengthened these claims, providing new insights into the universe’s age and evolution. This revised estimate could have significant implications for future calculations, including the dating of emerging planets. With this newfound understanding, scientists can better navigate the vast complexity of the cosmos, bringing us closer to unraveling its secrets.
Source: https://www.ladbible.com/news/science/james-webb-telescope-universe-age-change-506966-20241108