File:Ssc2008-14b.jpg

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DescriptionSsc2008-14b.jpg	English: The tangled arms of the Pinwheel galaxy, otherwise known as Messier 101, are decked out in red in this new infrared image from NASA's Spitzer Space Telescope. The Pinwheel galaxy is located 27 million light-years away in the constellation Ursa Major. It is what's called a flocculent spiral, which means that its spiral arms are not well defined. The red color shows the dust, while the blue glow around the galaxy is from starlight. In this infrared composite, blue indicates light with a wavelength of 3.6 microns, green corresponds to 4.5 microns, and red to 5.8 and 8.0 microns. The contribution from starlight (measured at 3.6 microns) has been subtracted from the 5.8- and 8-micron images to enhance the visibility of the dust features.
Date	8 Mar 2004 / 2008/07/21
Source	http://www.spitzer.caltech.edu/Media/releases/ssc2008-14/ssc2008-14b.shtml
Author	Karl D. Gordon (STScI) Charles W. Engelbracht (University of Arizona) George H. Rieke (University of Arizona) K. A. Misselt (University of Arizona) J.-D. T. Smith (University of Arizona) Robert C. Kennicutt Jr. (University of Cambridge)
Other versions	http://www.spitzer.caltech.edu/images/1945-ssc2008-14b-The-Pinwheel-Galaxy-M101-in-the-Infrared

Image use policy: http://www.spitzer.caltech.edu/info/18-Image-Use-Policy

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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	09:56, 26 April 2009		2,766 × 2,766 (9.97 MB)	Fabian RRRR (talk \| contribs)	{{Information \|Description={{en\|1=The tangled arms of the Pinwheel galaxy, otherwise known as Messier 101, are decked out in red in this new infrared image from NASA's Spitzer Space Telescope. The Pinwheel galaxy is located 27 million light-years away in

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File:The Pinwheel Galaxy, M101, in the Infrared.jpg (file redirect)

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Usage on ast.wikipedia.org
- Galaxa espiral M101
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- Messier 101
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- Osa Mayor
- Galaxia espiral M101
Usage on fr.wikipedia.org
- M101 (galaxie)
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- Messier 101
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- Veterník (galaxia)

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Source	Spitzer Space Telescope
Usage terms	Public Domain
Width	2,766 px
Height	2,766 px
Bits per component	8 8 8
Compression scheme	LZW
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 CS2 Windows
File change date and time	11:45, 18 July 2008
Color space	Uncalibrated
Image width	2,766 px
Image height	2,766 px
Date and time of digitizing	04:45, 18 July 2008
Date metadata was last modified	04:45, 18 July 2008
Keywords	M101
Contact information	http://www.spitzer.caltech.edu 1200 E. California Blvd. Pasadena, CA, 91125 USA
IIM version	2

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