It came from somewhere 2 billion light-years away. And when it arrived in October of 2022, the gamma-ray burst lit up the entire ionosphere. Now astronomers are working in a whole realm of “new physics we are trying to understand,” according to astronomer Mirko Piersanti of the University of L’Aquila in Italy. The event isn’tContinue reading "Massive gamma-ray burst reached Earth’s ionosphere"
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