The James Webb Space Telescope and other international observatories have spotted a 13-billion-year-old supernova. On Tuesday, the European Space Agency (ESA) announced the sighting of a gamma-ray burst from a star that exploded when the Universe was only 730 million years old. The Webb telescope even detected the supernova’s host galaxy.
Before this observation, the oldest recorded supernova was from when the Universe was 1.8 billion years old. That’s a difference of more than a billion years.
You can see the gamma-ray burst in the image below. It’s the tiny red smudge at the center of the zoomed-in box on the right.
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