File:Galaxy cluster Abell 2218 gravitaitonal lens.jpg

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Summary

Description	English: a w:gravitational lens caused by w:galaxy cluster w:Abell 2218^[1]
Source	NASA
Author	WFPC2, HST, NASA, STScI, Andrew Fruchter ^[2]

The galaxy cluster lies 2 billion light years away, in the w:Draco (constellation)^[3]

Licensing

	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."

References

File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	07:56, 1 May 2008		1,837 × 1,336 (305 KB)	Sn2007Cb

File usage

The following pages on the English Wikipedia use this file (pages on other projects are not listed):

Cosmic distance ladder

Global file usage

The following other wikis use this file:

Usage on da.wikipedia.org
- Kosmisk afstandsstige

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

If the file has been modified from its original state, some details may not fully reflect the modified file.

Orientation	Normal
Horizontal resolution	200 dpi
Vertical resolution	200 dpi
Software used	Adobe Photoshop Elements 2.0
File change date and time	19:53, 13 May 2004
Color space	Uncalibrated

[1] ttps://hubblesite.org/contents/media/images/2001/32/1116-Image.html

[2] ttp://apod.nasa.gov/apod/ap080210.html

[3] ttps://web.archive.org/web/20161113170055/http://www.astrographics.com/GalleryPrintsIndex/GP0050.html

[1]

[2]

[3]