Ottawa physicist’s model suggests a 26.7-billion-year universe and passes new tests
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In Universe, University of Ottawa’s Rajendra Gupta and Nikolaos Samaras report a covarying-coupling-constants plus tired-light model that could make the cosmos about 26.7 billion years old, roughly twice the usual estimate, while matching post–Big Bang light-element abundances and galaxy rotation without dark matter. The team says the framework passes another round of consistency checks with observations, challenging standard dark matter and dark energy accounts.
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