Large Quasar Group is the Largest Structure in the Universe to Date

01/18/2013 07:12PM

Large Quasar Group is the Largest Structure in the Universe to Date

Quasars are galaxies from the early days of the universe that undergo brief periods of extremely high brightness, making them visible across huge distances. Since 1982 it has been know that quasars tend to group together in clumps or structures of surprisingly large size, forming Large Quasar Groups or LQGs. A team of astronomers at the University of Central Lancashire in the UK has announced the discovery of a 4 billion light year-wide Large Quasar Group. This is significant because the LQG is so large that it puts Einstein's Cosmological Principle into question.


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