Astronomers have observed the brightest black hole flare ever recorded, a cosmic explosion so powerful it briefly outshone 10 trillion suns. The event, located 10 billion light years away, originated from a supermassive black hole devouring a massive star at the heart of an active galaxy.
A black hole emitted a record-breaking signal in the Universe.
Astronomers have detected a flare with a brightness equivalent to 10 trillion Suns, emanating from a supermassive black hole located 10 billion light-years from Earth. This is the most powerful and distant signal… pic.twitter.com/YkBGAzAfXs
— Black Hole (@konstructivizm) November 7, 2025
The black hole’s violent feast produced an enormous flare, making the galaxy’s center shine brighter than any previously observed phenomenon of its kind. Scientists believe the star was torn apart before ultimately exploding in a supernova.
“This is probably the most massive star ever seen shredded by a supermassive black hole,” said study co-author K.E. Saavik Ford of the Borough of Manhattan Community College.
Researchers continue to monitor the flare as it slowly fades, a process stretched by the effects of time dilation caused by intense gravity and the expansion of space. The finding offers rare insight into the extreme physics driving the universe’s most energetic events.
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