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The Conversation
The Conversation
Rajendra Gupta, Adjunct professor, Physics, L’Université d’Ottawa/University of Ottawa

How old is the universe exactly? A new theory suggests that it's been around for twice as long as believed

Galaxy NGC 6822, neighbouring the Milky Way galaxy, being studied to learn more about stars and dust in the early universe. (NASA/James Webb Space Telescope)

Early universe observations by the James Webb Space Telescope (JWST) cannot be explained by current cosmological models. These models estimate the universe to be 13.8 billion years in age, based on the big-bang expanding universe concept.

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