Using new measurement techniques, researchers have counted almost all the photons ever emitted in the universe. The final tally is a four followed by 84 zeros.
The post Scientists Measure the Total Brightness of the Universe: 4 x 10⁸⁴ Photons appeared first on ExtremeTech.
from ExtremeTechExtremeTech https://www.extremetech.com/extreme/281721-scientists-measure-the-total-brightness-of-the-universe-photons
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