Term

GRB 221009A

別名: B.O.A.T, Brightest Of All Time

Overview

最終更新: 2026年6月8日

GRB 221009A is a gamma-ray burst (GRB) that was detected by various space observatories on October 9, 2022. It has been nicknamed 'the B.O.A.T.' (Brightest of All Time) due to its unprecedented intensity, which was so powerful it affected Earth's ionosphere despite originating over 2 billion light-years away. It is considered a once-in-a-thousand-year event in terms of its energetic output and brightness across the electromagnetic spectrum.

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