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Astronomers Can’t Explain Where Half the Universe’s Light Is Coming From – Futurism

Posted: November 20, 2020 at 2:37 pm

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Five years ago, the New Horizons spacecraft sailed past Pluto and deeper into the Kuiper Belt.

Because its so far from both the Sun and the cosmic dust in the nearer solar system that reflects its light, blinding astronomers, scientists decided to use New Horizons instruments to determine just how bright the universe actually is. Even after filtering out every known source of illumination, NPR reports, about half the light remained revealing either some unknown phenomenon, the limitations of our tech, or both.

The light from all known sources in the cosmos was approximately equivalent to everything that remained, according to the teams research, which has been accepted for publication by The Astrophysical Journal. That could mean that there are more galaxies out there that are too distant or dim for our telescopes to pick up on. Or, as study coauthor and Space Telescope Science Institute astronomer Marc Postman told NPR, there could be some other source of light that we dont yet know what it is.

Basically, its possible theres some unexplained background glow in the cosmos.

Theyre saying that theres as much light outside of galaxies as there is inside of galaxies, which is a pretty tough pill to swallow, frankly, Rochester Institute of Technology astrophysicist Michael Zemcov told NPR.

Zemcov didnt work on the new study, but hes conducted similar research in the past and he says the new findings are credible. That pill he mentioned has more to do with accepting that astronomers so severely missed the mark rather than skepticism.

Its very difficult to turn around and say to the astronomical community, like, Hey, guys, were missing half of the stuff out there,' he told NPR.

READ MORE: Scientists Discover Outer Space Isnt Pitch Black After All [NPR]

More on space: NASA Detects Bright Flashes of Light on Jupiter

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Astronomers Can't Explain Where Half the Universe's Light Is Coming From - Futurism

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