A Fundamental ‘Constant’ of the Universe May Not Be Constant At All, Study Finds

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A Fundamental ‘Constant’ of the Universe May Not Be Constant At All, Study Finds

11/10/2025

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Researchers used type Ia supernovae, similar to SN1994d pictured in its host galaxy NGC4526, to help establish that the universe’s expansion may actually have started to slow. Image: NASA/ESA

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A Fundamental ‘Constant’ of the Universe May Not Be Constant At All, Study Finds

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