We finally know exactly how dark deep space is

We finally know exactly how dark deep space is

A faint glow from all of the galaxies that have ever existed fills the cosmos, and NASA’s New Horizons spacecraft has made the best measurement ever of just how faint it is A faint glow from all of the galaxies that have ever existed fills the cosmos, and NASA’s New Horizons spacecraft has made the best measurement ever of just how faint it is  New Scientist – News

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