File:Hubble Frontier Field Abell 2744 (27993301006).jpg

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Description	This long-exposure Hubble Space Telescope image of massive galaxy cluster Abell 2744 is the deepest ever made of any cluster of galaxies. It shows some of the faintest and youngest galaxies ever detected in space. Abell 2744, located in the constellation Sculptor, appears in the foreground of this image. It contains several hundred galaxies as they looked 3.5 billion years ago. The immense gravity in Abell 2744 acts as a gravitational lens to warp space and brighten and magnify images of nearly 3,000 distant background galaxies. The more distant galaxies appear as they did longer than 12 billion years ago, not long after the big bang. This image is part of an unprecedented long-distance view of the universe from an ambitious collaborative project among the NASA Great Observatories called the Frontier Fields. As part of the project, select patches of the sky were photographed for the purpose of better understanding galaxy evolution. This visible-light and near-infrared composite image was taken with the Wide Field Camera 3. For more information, visit: <a href="http://hubblesite.org/news_release/news/2014-01" rel="nofollow">hubblesite.org/news_release/news/2014-01</a> Credit: NASA, ESA, and J. Lotz, M. Mountain, A. Koekemoer, and the HFF Team (STScI)
Date	1 July 2016, 18:30
Source	Hubble Frontier Field Abell 2744
Author	NASA Hubble Space Telescope

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This image was originally posted to Flickr by NASA Hubble at https://flickr.com/photos/144614754@N02/27993301006 (archive). It was reviewed on 13 July 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

13 July 2018

	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.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

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current	15:52, 13 July 2018		3,909 × 4,360 (27.16 MB)	Hiàn (alt) (talk \| contribs)	Transferred from Flickr via #flickr2commons

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Author	Space Telescope Science Institute Office of Public Outreach
Image title	This long-exposure Hubble Space Telescope image of massive galaxy cluster Abell 2744 is the deepest ever made of any cluster of galaxies. It shows some of the faintest and youngest galaxies ever detected in space. Abell 2744, located in the constellation Sculptor, appears in the foreground of this image. It contains several hundred galaxies as they looked 3.5 billion years ago. The immense gravity in Abell 2744 acts as a gravitational lens to warp space and brighten and magnify images of nearly 3,000 distant background galaxies. The more distant galaxies appear as they did longer than 12 billion years ago, not long after the big bang. This image is part of an unprecedented long-distance view of the universe from an ambitious collaborative project among the NASA Great Observatories called The Frontier Fields. Over the next several years select patches of the sky will be photographed for the purpose of better understanding galaxy evolution. This visible-light and near-infrared composite image was taken with the Wide Field Camera 3.
Publisher	STScI
Copyright holder	Public
Short title	Hubble Frontier Field Abell 2744
Credit/Provider	NASA, ESA, and J. Lotz, M. Mountain, A. Koekemoer, and the HFF Team (STScI)
Source	STScI
Usage terms	http://hubblesite.org/copyright/
Date and time of data generation	7 January 2014
Contact information	outreach@stsci.edu http://hubblesite.org 3700 San Martin Drive Baltimore, MD, 21218 USA 410-338-4444
Type of media	Observation
Date and time of digitizing	10:41, 12 December 2013
Software used	Adobe Photoshop CS6 (Macintosh)
Date metadata was last modified	6 April 2015
File change date and time	12:34, 8 May 2014
Unique ID of original document	xmp.did:50B3372B3F206811822AD9D17F4ABF41
IIM version	4

File:Hubble Frontier Field Abell 2744 (27993301006).jpg

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1 July 2016