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Posted by Redaktion
 - December 17, 2025, 05:32:24
Astronomers detected a powerful explosion called a gamma-ray burst (GRB). But this particular GRB was not like any other that has been observed. It lasted at least seven hours, making it the longest-ever GRB.

https://www.notebookcheck.net/NASA-detects-a-record-breaking-gamma-ray-burst-420-times-longer-than-usual.1187193.0.html