The first mega structure was the Giant Arc in the Sky discovered two years ago by the same University of Central Lancashire Ph.D. student Alexia Lopez. It is 3.3 billion light-years across!
https://www.msn.com/en-us/news/technology/discovery-of-second-ultra-large-structure-in-distant-space-further-challenges-our-understanding-of-the-universe/ar-AA1n0FkA?cvid=0d2c1124cac64bc99422eb26ac1ad43b&ocid=winp2fptaskbar&ei=7&sc=shoreline
Neither one of these structures should exist, according to our current undestanding, especially so close to the Big Bang.
The first mega structure was the Giant Arc in the Sky discovered two years ago by the same University of Central Lancashire Ph.D. student Alexia Lopez. It is 3.3 billion light-years across!
https://www.msn.com/en-us/news/technology/discovery-of-second-ultra-large-structure-in-distant-space-further-challenges-our-understanding-of-the-universe/ar-AA1n0FkA?cvid=0d2c1124cac64bc99422eb26ac1ad43b&ocid=winp2fptaskbar&ei=7&sc=shoreline