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."

Astrobitica December 9, 2025 (Last updated: December 9, 2025) 1 minute read

“This is certainly an outburst unlike any other we’ve seen in the past 50 years.”

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