Astronomers missed a space explosion as powerful as a billion suns — until they spotted its echo
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.
Astrobitica
March 20, 2026 (Last updated: March 20, 2026) 1 minute read
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.