A view of GRB221009A from the Gemini South telescope in Chile.

The most powerful gamma-ray burst ever seen could help reveal how black holes are born

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

On October 9, a more energetic beam of light than astronomers had ever seen passed over our planet, temporarily blinding the detectors of several NASA satellites. The beam came from a gamma burstthe most energetic type of explosion known to occur in the universe (separated from big Bang), which would have accompanied the birth of certain black holes.


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