File:M87 optical image.jpg

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DescriptionM87 optical image.jpg	English: Messier 87 (M87), a giant elliptical galaxy in the Virgo Cluster as imaged in a wide field view from the Hubble Space Telescope (detail of center "jet").
Source	http://astro-canada.ca/_en/photo690.php?a4201_m87
Author	NASA/Hubble Space Telescope

	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."

Original upload log

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Date/Time	Dimensions	User	Comment
17:13, 12 June 2007	807 × 445 (43,777 bytes)	w:en:Halfblue (talk \| contribs)	([[Messier 87]] (M87), a giant elliptical galaxy in the Virgo Cluster as imaged in a wide field veiw from the [[Hubble Space Telescope]] (detail of center "jet"). {{PD-USGov-NASA}} Original full image at [from http://astro-canada.ca/_en/photo690.php?a420)

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	09:49, 28 December 2011		807 × 445 (43 KB)	Bulwersator	Transferred from en.wikipedia: see original upload log above

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Radio astronomy

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- 射电天文学

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Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Adobe Photoshop 7.0
File change date and time	22:50, 11 June 2007
Color space	Uncalibrated