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While JWST gives astronomers insight into the earliest times in the Universe, it also finds a surprising number of supernovae. The telescope finds exploding stars almost everywhere, discovering ten times as many supernovae in the early Universe than previously known. The discoveries were made as part of the JADES survey characterizing distant galaxies. They've found plenty of supernovae by comparing galaxies seen a year apart, looking for stars appearing or disappearing.

https://webbtelescope.org/contents/news-releases/2024/news-2024-122.html