'Our model of cosmology might be broken': New study reveals the universe is expanding too fast for physics to explain
- Astronomers have found new evidence that the universe is expanding faster than predicted by our current physics models, a discrepancy known as the Hubble tension. They measured precise distances to 13 supernovae within the Coma galaxy cluster, determining it lies about 98.5 million light-years from Earth, significantly closer than the 111.8 million light-years predicted by models based on observations of the early universe.
- The study, published in The Astrophysical Journal Letters, focuses on the Coma Cluster, one of our nearest massive galaxy clusters, serving as a crucial calibration point for measuring cosmic distances. The research was led by Daniel Scolnic from Duke University, along with colleagues from various institutions including the Space Telescope Science Institute and Johns Hopkins University. This indicates that resolving the Hubble tension may require new physics beyond our current understanding of how the universe works.
- The discrepancy has persisted for years, leading astronomers to wonder if our understanding of cosmic evolution needs a major overhaul. "We're at a point where we're pressing really hard against the models we've been using for two and a half decades, and we're seeing that things aren't matching up," says Scolnic.
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