On September 16, 2008, Fermi picked up the most powerful GRB observed to date.

2008年9月16日，费米望远镜发现了迄今为止最为强烈的伽马射线爆发。

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GRB 041219a took place on 19 December 2004 and was immediately recognised as being in the top 1% of GRBs for brightness.

GRB 041219 A发生在2004年12月19日，一发生就被认为在亮度上是GRBs中占前1%的。

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However, some researchers believe that a GRB was responsible for the Ordovician mass extinction approximately 450 million years ago.

然而，有一些研究者认为，大约4.5亿年前的奥陶纪大灭绝是伽马射线爆引起的。

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This blast, designated GRB 080913, probably originated in the catastrophic explosion of a massive star.

BBC: Observatory detects record burst

Dr Levan presented his paper at the GRB 2013 Symposium in Nashville, Tennessee.

BBC: NASA's Swift satellite observes massive supernova stars

Karsten Jonsen is a research fellows at IMD, and Nikolas Kinley is head of leadership, GRB Functions at Barclays Bank.

FORBES