Delwedd:2MASS LSS chart-NEW Nasa.jpg

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English: Panoramic view of the entire near-infrared sky reveals the distribution of galaxies beyond the Milky Way. The image is derived from the 2MASS Extended Source Catalog (XSC)—more than 1.5 million galaxies, and the Point Source Catalog (PSC)--nearly 0.5 billion Milky Way stars. The galaxies are color coded by redshift (numbers in parentheses) obtained from the UGC, CfA, Tully NBGC, LCRS, 2dF, 6dFGS, and SDSS surveys (and from various observations compiled by the NASA Extragalactic Database), or photo-metrically deduced from the K band (2.2 μm). Blue/purple are the nearest sources (z < 0.01); green are at moderate distances (0.01 < z < 0.04) and red are the most distant sources that 2MASS resolves (0.04 < z < 0.1). The map is projected with an equal area Aitoff in the Galactic system (Milky Way at center).
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Ffynhonnell "Large Scale Structure in the Local Universe: The 2MASS Galaxy Catalog", Jarrett, T.H. 2004, PASA, 21, 396
Awdur IPAC/Caltech, by Thomas Jarrett
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Title: "Large Scale Structure in the Local Universe"

Legend: "image shows 2MASS galaxies color coded by redshift (Jarrett 2004); familiar galaxy clusters/superclusters are labelled (numbers in parenthesis represent redshift). Graphic created by T. Jarett (IPAC/Caltech)"

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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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2MASS Near-Infrared view of the sky

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Local Universe Saesneg

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cyfredol17:27, 22 Ionawr 2008Bawdlun y fersiwn am 17:27, 22 Ionawr 20081,239 × 627 (1.35 MB)Papa NovemberCropped to remove border using GIMP. No copyright claimed for non-creative derivative work
16:23, 3 Gorffennaf 2007Bawdlun y fersiwn am 16:23, 3 Gorffennaf 20071,253 × 756 (1.35 MB)QWerkGraphic by Thomas Jarrett (IPAC/Caltech)

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