“Astronomers missed a space explosion as powerful as a Billion Suns until they spotted its echo”.A core collapse Supernova births a Black hole and launches a Gamma ray burst.
“Astronomers missed a space explosion as powerful as a Billion Suns until they spotted its echo”.A core collapse Supernova births a Black hole and launches a Gamma ray burst.
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A gamma ray burst would be a very bad thing to hit us head on. I’m happy that we just see echoes.