Editing CfA2 Great Wall (section)

{{Short description|Immense galaxy filament}}
{{redirect|Great Wall of Galaxies|other "great walls" of galaxies|Great Wall (disambiguation)}}
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 [[List of largest cosmic structures|largest known superstructures]] in the [[observable universe]]. 

This structure was discovered c. 1989 by a team of [[United States|American]] [[astronomer]]s led by [[Margaret J. Geller]] and [[John Huchra]] while analyzing data gathered by the second [[CfA Redshift Survey]] of the [[Harvard-Smithsonian Center for Astrophysics|Center for Astrophysics {{!}} Harvard & Smithsonian]] (CfA).