GRB221009A gamma ray burst is a once in a century event

All eyes are on the source of the record-breaking gamma ray burst that lit up the sky last week.

On Oct. 9, a beam of light more energetic than astronomers had ever seen zipped past our planet, temporarily blinding detectors on several NASA satellites. The beam came from a gamma ray burstthe most energetic type of explosion known to occur in the universe (apart from the Big Bang), which is believed to accompany the birth of some black holes.

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