Editing Virgo Supercluster (section)

==Background==
Beginning with the first large sample of [[nebula]]e published by [[William Herschel|William]] and [[John Herschel]] in 1863, it was known that there is a marked excess of nebular fields in the constellation [[Virgo (constellation)|Virgo]], near the north [[Galactic coordinate system|galactic pole]]. In the 1950s, French–American astronomer [[Gérard de Vaucouleurs]] was the first to argue that this excess represented a large-scale galaxy-like structure, coining the term "Local Supergalaxy" in 1953, which he changed to "Local Supercluster" (LSC<ref>
cfa.harvard.edu, [http://www.cfa.harvard.edu/~huchra/seminar/lsc/ The Geometry of the Local Supercluster], ''John P. Huchra'',
'''2007'''
(accessed 12-12-2008)
</ref>) in 1958. [[Harlow Shapley]], in his 1959 book ''Of Stars and Men'', suggested the term ''Metagalaxy''.<ref>[[Harlow Shapley|Shapley, Harlow]] ''[[Of Stars and Men]]'' (1959)</ref> 

Debate went on during the 1960s and 1970s as to whether the Local Supercluster (LS) was actually a structure or a chance alignment of galaxies.<ref name="deV81">
{{cite journal
 | author = de Vaucouleurs, G.
 | title = The Local Supercluster of Galaxies
 | journal = Bulletin of the Astronomical Society of India
 | date = March 1981
 | volume = 9
 | page = 6 (see note)
 | bibcode = 1981BASI....9....1D
 }}</ref> The issue was resolved with the large redshift surveys of the late 1970s and early 1980s, which convincingly showed the flattened concentration of galaxies along the supergalactic plane.<ref name="klypin03">
{{cite journal
 | author = Klypin, Anatoly
 | display-authors = etal
 | title = Constrained Simulations of the Real Universe: The Local Supercluster
 | journal = The Astrophysical Journal
 | date = October 2003
 | volume = 596
 | issue = 1
 | pages = 19–33
 | bibcode = 2003ApJ...596...19K
 | doi = 10.1086/377574
 | arxiv = astro-ph/0107104
| s2cid = 1830859
 }}</ref>