CfA2 Great Wall - Wikipedia
The Great Wall (also called Coma Wall), sometimes specifically referred to as the CfA2 Great Wall, is an immense galaxy filament. It is one of the largest known superstructures in the observable universe .
CfA2长城 - 百度百科
已知最长的是 武仙－北冕座长城 （英语：Hercules-Corona Borealis Great Wall）是宇宙中一个由星系组成的巨大超结构，延伸超过100亿光年，是可观测宇宙中已知最巨大的结构。
CfA2 Great Wall - Simple English Wikipedia, the free encyclopedia
The Great Wall is one of the largest known super-structures in the Universe. [1] It is a huge group of galaxies about 200 million light-years away. The Great Wall is like a long, thin line filament: it is over 500 million light-years long, 300 million light-years wide, but only 15 million light-years thick.
CfA2 Great Wall of galaxies - BBC Sky at Night Magazine
The CfA2 Great Wall is the second biggest concentration of galaxies in the Universe, discovered in 1989 by Margaret Geller and John Huchra.
Sheets and Voids - Imagine the Universe!
2020年10月22日 · The Sloan Great Wall is almost 3 times longer than the "Great Wall" of galaxies discovered in Margaret Geller and John Huchra's 1989 survey (which is also sometimes called the CfA2 Great Wall). At about 500 million light-years long, 300 million light-years wide and 15 million light-years thick, it was was previously the "record holder" for ...
CfA2 Great Wall - Infogalactic: the planetary knowledge core
The Great Wall (also called Coma Wall), sometimes specifically referred to as the CfA2 Great Wall, is an immense galaxy filament. It is one of the largest known superstructures in the observable universe .
The CfA Redshift Survey and Catalog - Harvard University
Here's the map with six contiguous 6 degree slices in the northern galactic cap. The structure running all the way across between 8 hours and 17 hours RA and 5,000 and 10,000 km/s is called the ``Great Wall,'' perhaps the largest single structure yet detected in any redshift survey.
CfA2 Great Wall: Cosmic Superstructure Measured in Millions
2015年2月11日 · The CfA2 Great Wall is a cosmic superstructure that dramatically dwarfs the Great Wall of China, the longest man-made structure on Earth, with a length of 5,500 miles (8,851 kilometers). CfA2, also known as Coma Wall or Great Wall, is measured in light years.
CfA2 Great Wall - Wikiwand
The Great Wall, sometimes specifically referred to as the CfA2 Great Wall, is an immense galaxy filament. It is one of the largest known superstructures in the observable universe.
Great Wall - Vaporia
The Great Wall is a large scale structure element (a galaxy wall) discovered in 1989 in the CfA Redshift Survey. It is 300 million light-years' distant and spans 500 million light-years by 200 million light-years by 16 million light-years. Across the sky, it is a long area, diagonally spanning hours 8 to 17 and about 0 to +50 degrees declination.