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Peering deeply into the cosmos, NASA s James Webb Space Telescope is giving scientists their first detailed glimpse of supernovae from a time when our universe was just a small fraction of its current age. A team using Webb data has identified 10 times more supernovae in the early universe than were previously known. A few of the newfound exploding stars are the most distant examples of their type, including those used to measure the universe s expansion rate.
The JWST has proved itself to be a supernova discovery machine by finding 80 exploding stars in the infant universe including the most distant and earliest supernova ever seen.