New quantum gravity theory may resolve Hubble tension discrepancy
Livescience.com — May 19, 2024, 12:00 PM UTC
Summary: A new theory of quantum gravity could explain the discrepancy in the expansion rate of the universe. The Hubble tension, with a 10% difference in measurements, may be resolved by incorporating quantum effects into the theory. This could align the Hubble parameter values from different observations. The study suggests that quantum gravity's role in the early universe could be experimentally tested through cosmic microwave background properties and gravitational wave characteristics.
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