This 7-hour cosmic explosion is the longest gamma-ray burst ever seen. Could it be from an elusive class of black hole?

09-12-2025 22:00 via space.com

This 7-hour cosmic explosion is the longest gamma-ray burst ever seen. Could it be from an elusive class of black hole?

"This is certainly an outburst unlike any other we've seen in the past 50 years."

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