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Evidence mounts that universe's dark energy is changing over time


Published on 2025-03-19 18:22:19 - Reuters
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  • New data involving millions of galaxies and luminous galactic cores is providing fresh evidence that the enigmatic and invisible cosmic force called dark energy - responsible for the universe's accelerated expansion - has weakened over time rather than remaining constant,

The article from MSN discusses recent findings suggesting that the universe's dark energy, which drives its expansion, might not be as constant as previously thought. Traditionally, dark energy has been modeled as a cosmological constant, but new research indicates that its density could be changing over time. This evidence comes from analyzing the distribution of galaxies and supernovae data, which hints at a dynamic dark energy that could either increase or decrease, potentially affecting the future expansion rate of the universe. This shift in understanding could have profound implications for cosmology, challenging the standard model of cosmology and prompting scientists to reconsider how the universe might evolve. The findings are stirring debate and further investigation into the nature of dark energy, with implications for theories about the ultimate fate of the universe.

Read the Full Reuters Article at:
[ https://www.msn.com/en-us/news/technology/evidence-mounts-that-universes-dark-energy-is-changing-over-time/ar-AA1BgoTc ]