Source link : https://tech365.info/the-webb-telescope-spots-a-supernova-from-13-billion-years-in-the-past/
The James Webb Area Telescope and different worldwide observatories have noticed a 13-billion-year-old supernova. On Tuesday, the European Area Company (ESA) introduced the sighting of a gamma-ray burst from a star that exploded when the Universe was solely 730 million years outdated. The Webb telescope even detected the supernova’s host galaxy.
Earlier than this remark, the oldest recorded supernova was from when the Universe was 1.8 billion years outdated. That is a distinction of greater than a billion years.
You’ll be able to see the gamma-ray burst within the picture under. It is the tiny pink smudge on the middle of the zoomed-in field on the correct.
The tiny pink splotch within the middle of the crop field is the oldest factor you’ve got seen. (NASA, ESA, CSA, STScI, A. Levan (IMAPP))
“This observation also demonstrates that we can use Webb to find individual stars when the Universe was only 5 percent of its current age,” co-author Andrew Levan wrote within the ESA’s press launch. “There are only a handful of gamma-ray bursts in the last 50 years that have been detected in the first billion years of the Universe. This particular event is very rare and very exciting.”
Researchers realized that the 13-billion-year-old explosion shared many traits with fashionable, close by supernovae. Whereas that won’t sound surprising, scientists anticipated a extra profound distinction. That is as a result of early stars seemingly had fewer heavy parts, had…
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Author : tech365
Publish date : 2025-12-10 02:05:00
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