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LiveScience
LiveScience
Ben Turner

James Webb telescope finds origins of the biggest explosion since the Big Bang — revealing a new cosmological mystery

Gamma ray burst.

The James Webb Space Telescope has discovered the cause of the most powerful cosmic explosion since the Big Bang.

The explosion (nicknamed the BOAT or "brightest of all time") is a gamma-ray burst (GRB) that spat photons at Earth with more energy than those found inside the Large Hadron Collider. This light was detected by telescopes in orbit and on the ground on October 9, 2022, and came from 2.4 billion light-years away in the constellation Sagitta. 

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