Astronomers spot largest cosmic explosion ever witnessed

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From CNN:
"CNN — Astronomers have spotted the largest cosmic explosion ever witnessed, and it’s 10 times brighter than any known exploding star, or supernova.
The brightness of the explosion, called AT2021lwx, has lasted for three years, while most supernovas are only bright for a few months."

https://www.cnn.com/2023/05/12/world/la ... index.html

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[helicon]

Hmmmm....what could it have been?

[messier 111]

thx .