File:A Pinwheel in X-rays.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	13:59, 29 July 2009		4,200 × 4,200 (2.16 MB)	commons>File Upload Bot (Magnus Manske)	{{Information \|Description= '''Description''': This Chandra image of M101 is one of the longest exposures ever obtained of a spiral galaxy in X-rays. The point-like sources include binary star systems containing black holes and neutron stars, and the rem

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Image title	This Chandra image of M101 is one of the longest exposures ever obtained of a spiral galaxy in X-rays. The point-like sources include binary star systems containing black holes and neutron stars, and the remains of supernova explosions. Other sources of X-rays include hot gas in the arms of the galaxy and clusters of massive stars. These X-ray observations of M101 will be used to establish a valuable X-ray profile of a galaxy similar to the Milky Way. This will help astronomers better understand the evolutionary paths that produce black holes, and provide a baseline for interpreting the observations of distant galaxies.
Author	Chandra X-ray Observatory Center
Credit/Provider	NASA/CXC/JHU/K.Kuntz et al.
Headline	A large spiral galaxy about 25 million light years away in the constellation Ursa Major.
Source	Chandra X-ray Observatory
Short title	A Pinwheel in X-rays
Usage terms	http://chandra.harvard.edu/photo/image_use.html
Date and time of data generation	24 November 2008
Width	4,200 px
Height	4,200 px
Bits per component	8 8 8
Compression scheme	LZW
Pixel composition	RGB
Orientation	Normal
Number of components	3
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Data arrangement	chunky format
Software used	Adobe Photoshop CS3 Macintosh
File change date and time	11:24, 2 January 2009
Color space	sRGB
Image width	4,200 px
Image height	4,200 px
Date and time of digitizing	06:24, 2 January 2009
Date metadata was last modified	06:24, 2 January 2009
Keywords	M101
Contact information	cxcpub@cfa.harvard.edu http://chandra.harvard.edu 60 Garden St. Cambridge, MA, 02138 USA 617.496.7941

File:A Pinwheel in X-rays.jpg

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