File:NGC 4636 Optical Image (2001-0144-more-4).tiff

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NGC 4636 Optical Image

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Description	English: NGC 4636 Optical Image
Date	19 December 2001 (upload date)
Source	NGC 4636 Optical Image
Author	(Credit: DSS)
Other versions	JPG version

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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	23:10, 16 November 2024		2,100 × 2,100 (3.11 MB)	OptimusPrimeBot (talk \| contribs)	#Spacemedia - Upload of https://chandra.si.edu/photo/2001/0144/0144_opt.tif via Commons:Spacemedia

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File:NGC 4636 Optical Image (2001-0144-more-4).jpg

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Image title	This Chandra image of NGC 4636 shows symmetric arms, or arcs, of 10 million degree gas extending 25,000 light years into a cloud of hot gas that surrounds the galaxy. The length and shape of the arms, along with their temperature which is hotter than the surrounding gas cloud, suggest that they are the leading edge of a galaxy-sized shock wave that is racing outward from the center of the galaxy at 700 kilometers per second. The initial outburst is thought to have been triggered by gas falling into a central massive black hole.
Author	Chandra X-ray Observatory Center
Copyright holder	http://chandra.harvard.edu/photo/image_use.html
Width	2,100 px
Height	2,100 px
Bits per component	8 8 8
Compression scheme	LZW
Pixel composition	RGB
Orientation	Normal
Number of components	3
Number of rows per strip	1
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Data arrangement	chunky format
Exif version	2.21
Color space	Uncalibrated

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File:NGC 4636 Optical Image (2001-0144-more-4).tiff

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19 December 2001

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1seupc23n1ymy33l3cb3k2yrrbjwxzp8fze0nrgyp0w78tmzxi

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File:NGC 4636 Optical Image (2001-0144-more-4).tiff

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