SCIENCEglobal
Astronomers missed a space explosion as powerful as a billion suns — until they spotted its echo
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Updated 2 hours ago
First seen March 20, 2026 21:19:26Stay on top of this story
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Quick Summary
A cosmic explosion with an energy equivalent to the output of a billion suns went unnoticed by astronomers until they caught the "echo" of this gamma-ray burst.