Astronomers have discovered a cosmic "ring" that's so enormous, it defies explanation with our best theories of the universe.
Named the Big Ring, the gigantic spiral of galaxies and galaxy clusters is 1.3 billion light-years wide and has a circumference of 4 billion light-years, making it one of the largest objects ever seen.
Because the Big Ring is so far from Earth — 9 billion light-years away — its light is too dim to be viewed with the naked eye. But if it were brighter, it would appear 15 times the size of the full moon in the night sky. READ MORE...
