File:Glx2008-01f img02.jpg

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DescriptionGlx2008-01f img02.jpg	English: The structural integrity of M101, or the Pinwheel Galaxy, is revealed in this classic image from GALEX. Unlike our closest large galactic neighbor, the Andromeda galaxy, both young and old stars are evenly distributed along M101's tightly wound spiral arms. Blue shows the presence of hot, young stars that formed about 10 million years ago, and regions that glow yellow harbor older, cooler stars that are over 100-million years old. M101 stretches twice the diameter of our Milky Way galaxy, and is located approximately 27 million light-years away in the constellation Ursa Major. Structural Integrity of the Pinwheel Galaxy This image of the Pinwheel Galaxy is a two-color composite, where far-ultraviolet light is blue, and near-ultraviolet light is red.
Date	21 February 2008
Source	http://www.galex.caltech.edu/media/glx2008-01f_img02.html
Author	Credit: NASA/JPL-Caltech

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	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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	Date/Time	Thumbnail	Dimensions	User	Comment
current	10:31, 26 April 2009		1,675 × 1,405 (1.81 MB)	Fabian RRRR (talk \| contribs)	{{Information \|Description={{en\|1=The structural integrity of M101, or the Pinwheel Galaxy, is revealed in this classic image from GALEX. Unlike our closest large galactic neighbor, the Andromeda galaxy, both young and old stars are evenly distributed al

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- Galaxa espiral M101
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- Messier 101
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- Galaxia espiral M101
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- M101 (galaxie)
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- Messier 101
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- Galáxia do Cata-Vento

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Image title	Created with The GIMP
Width	1,675 px
Height	1,405 px
Compression scheme	Uncompressed
Pixel composition	RGB
Orientation	Normal
Number of components	3
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Data arrangement	chunky format
Software used	Adobe Photoshop CS3 Macintosh
File change date and time	16:01, 28 February 2008
Color space	Uncalibrated

File:Glx2008-01f img02.jpg

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