Utilizing data supplied by the Sloan Digital Sky Survey at Fermilab, an international team of researchers at the University of Central Lancashire in England has discovered the largest known celestial structure in the universe. Dubbed the Huge-LQG (Large Quasar Group), the structure consists of at least 73 quasars whose breadth spans 4 billion light years. For comparative purposes, our Milky Way galaxy has a width of 100,000 light years. The previous largest structure ever encountered is the Sloan Great Wall with a contiguous structure of 1.38 billion light years. H-LQG lies roughly 9 billion light years from Earth.
The H-LQG discovery poses a theoretical problem because it appears to directly contradict Einstein’s Cosmological Principle. In addition, astrophysical calculations have suggested that ~1.2 billion light-years should be the structural maximum. H-LQG more than trebles this mathematical construct. It could very well be that the Cosmological Principle remains valid, but that we are not able to sample enough of the universe with our current observational technology. Needless to say, the international astronomical and cosmological communities are simultaneously shocked and thrilled at this turn of events. The H-LQG research paper is available in the Monthly Notices of the Royal Astronomical Society.
The H-LQG discovery poses a theoretical problem because it appears to directly contradict Einstein’s Cosmological Principle. In addition, astrophysical calculations have suggested that ~1.2 billion light-years should be the structural maximum. H-LQG more than trebles this mathematical construct. It could very well be that the Cosmological Principle remains valid, but that we are not able to sample enough of the universe with our current observational technology. Needless to say, the international astronomical and cosmological communities are simultaneously shocked and thrilled at this turn of events. The H-LQG research paper is available in the Monthly Notices of the Royal Astronomical Society.
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