Giant Arc tagged posts

Discovery of Second Ultra-Large Structure in Distant Space further Challenges Our Understanding of the Universe

Discovery of a second ultra-large structure in distant space further challenges what we understand about the universe
An artistic impression of what the Big Ring (shown in blue) and Giant Arc (shown in red) would look like in the sky. Credit: Stellarium

The Big Ring in the Sky is 9.2 billion light-years from Earth. It has a diameter of about 1.3 billion light-years, and a circumference of about 4 billion light-years. If we could step outside and see it directly, the diameter of the Big Ring would need about 15 full moons to cover it.

It is the second ultra-large structure discovered by University of Central Lancashire (UCLan) Ph.D. student Alexia Lopez who, two years ago, also discovered the Giant Arc in the Sky. Remarkably, the Big Ring and the Giant Arc, which is 3...

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