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.
Astronomers missed a space explosion as powerful as a billion suns - until they spotted its echo
SPACE.com - 20 Mar 2026 12:00
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.
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