File:Chandra X-ray Image with Scale Bar (2001-cdfs-more-2).tiff

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Chandra X-ray Image with Scale Bar Scale bar = 5 arcmin

Summary

Description	English: Chandra X-ray Image with Scale Bar Scale bar = 5 arcmin
Date	13 March 2001 (upload date)
Source	Chandra X-ray Image with Scale Bar
Author	(Credit: NASA/JHU/AUI/R.Giacconi et al.)
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	16:03, 20 October 2024		1,050 × 1,062 (3.15 MB)	OptimusPrimeBot (talk \| contribs)	#Spacemedia - Upload of https://chandra.si.edu/photo/2001/cdfs/Cdfs_scale.tif via Commons:Spacemedia

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File:Chandra X-ray Image with Scale Bar (2001-cdfs-more-2).jpg

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Image title	This Chandra image shows that gigantic black holes were much more active in the past than the present. In this deepest X-ray exposure ever made, some of the sources are 12 billion light years away. Most of the objects are active galaxies and quasars powered by supermassive black holes, while other objects are galaxies, and groups and clusters of galaxies. Information from this image will help astronomers understand how dense clouds of gas form galaxies with massive black holes at their centers. The energy bands of the X-rays are color coded, with red representing lower energies, yellow intermediate, and blue the highest energies.
Author	Chandra X-ray Observatory Center
Copyright holder	http://chandra.harvard.edu/photo/image_use.html
Width	1,050 px
Height	1,062 px
Bits per component	8 8 8
Compression scheme	LZW
Pixel composition	RGB
Orientation	Normal
Number of components	3
Number of rows per strip	2
Horizontal resolution	200 dpi
Vertical resolution	200 dpi
Data arrangement	chunky format
Exif version	2.21
Color space	Uncalibrated

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File:Chandra X-ray Image with Scale Bar (2001-cdfs-more-2).tiff

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creator

Chandra X-ray Observatory

copyright status

public domain

location of creation

high Earth orbit

media type

image/tiff

height

1,062 pixel

width

1,050 pixel

fabrication method

satellite imagery

instance of

photograph

data size

3,301,558 byte

checksum

b8307af0ae6f21ed6477ce351ad0fc1fcabdf667

inception

13 March 2001

source of file

file available on the internet

pHash checksum

71xpbswgnv865orhnhfafnc6lpeddl3y3btkcearlamrxc4on

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File:Chandra X-ray Image with Scale Bar (2001-cdfs-more-2).tiff

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