The Grus Wall is a superstructure of

galaxies A galaxy is a system of stars, stellar remnants, interstellar gas, dust, dark matter, bound together by gravity. The word is derived from the Greek ' (), literally 'milky', a reference to the Milky Way galaxy that contains the Solar System. ...

(" wall of galaxies") formed in the early universe, named for the Grus constellation in which it is found ("grus" is

Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...

for "crane"). It has an average

redshift In physics, a redshift is an increase in the wavelength, and corresponding decrease in the frequency and photon energy, of electromagnetic radiation (such as light). The opposite change, a decrease in wavelength and simultaneous increase in f ...

of z=2.38 and lies about 10.8 billion

light-year A light-year, alternatively spelled light year, is a large unit of length used to express astronomical distances and is equivalent to about 9.46 trillion kilometers (), or 5.88 trillion miles ().One trillion here is taken to be 1012 ...

s away. The Wall is around 300 million light-years long, comparable in size to the

Sloan Great Wall The Sloan Great Wall (SGW) is a cosmic structure formed by a giant wall of galaxies (a galaxy filament). Its discovery was announced from Princeton University on October 20, 2003, by J. Richard Gott III, Mario Jurić, and their colleagues, b ...

. The Wall is "perpendicular" to the

Fornax Wall The Fornax Wall is a superstructure known as a galaxy filament or galaxy wall. It is a long filament of galaxies with a major axis longer than its minor one. The filament contains not only Dorado Group but also the Fornax cluster The Fornax Clus ...

and

Sculptor Wall The Sculptor Wall is a superstructure of galaxies ( "wall of galaxies") relatively near to the Milky Way Galaxy ( redshift of approximately z=0.03), also known as the Sculptor superclusters.Taotao Fang, David A. Buote, Philip J. Humphrey, Claude ...

.''Astrophysics and Space Science'', Volume 230, Issue 1-2, pp. 225-235 "Large-Scale Structures in the Distribution of Galaxies" ''08/1995'' The Grus Wall was discovered in 2003 by Povilas Palunas, Paul Francis, Harry Teplitz, Gerard Williger, and Bruce E. Woodgate through the use of wide-field telescopes.

References

{{galaxy-stub Galaxy filaments