Scientists measure all the starlight ever produced by the universe...it's lots | SWNS TV
SWNS
SWNS
  • 5 years ago
Scientists have measured all the starlight ever produced by the observable universe for the first time.
It comes to 4*10^84 photons - the number four followed by 84 [eighty-four] zeros, according to data from NASA's Fermi Gamma-ray Space Telescope low-orbit space observatory.

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