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Ultra-Large Structure Discovered In Distant Space Challenges Cosmological Principle
"The discovery of a second ultra-large structure in the remote universe has further challenged some of the basic assumptions about cosmology," writes SciTechDaily: The Big Ring on the Sky is 9.2 billion light-years from Earth. It has a diameter of about 1.3 billion light-years, and a circumference...
"The discovery of a second ultra-large structure in the remote universe has further challenged some of the basic assumptions about cosmology," writes SciTechDaily: The Big Ring on the Sky is 9.2 billion light-years from Earth. Remarkably, the Big Ring and the Giant Arc, which is 3.3 billion light-years across, are in the same cosmological neighborhood — they are seen at the same distance, at the same cosmic time, and are only 12 degrees apart on the sky. BAOs arise from oscillations in the early universe and today should appear, statistically at least, as spherical shells in the arrangement of galaxies.
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