File:Cassiopeia A, Chandra X-ray (1999-0237-more-4).tiff

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Cassiopeia A, Chandra X-ray This image from the Chandra X-ray Observatory illustrates the two-dimensional spectral capability of the Advanced CCD Imaging Spectrometer (ACIS) instrument.

Summary

Description	English: Cassiopeia A, Chandra X-ray This image from the Chandra X-ray Observatory illustrates the two-dimensional spectral capability of the Advanced CCD Imaging Spectrometer (ACIS) instrument. The image shows the supernova remnant Cas A, where the colors reflect the temperature of the hot gas. Red colors correspond to temperatures below approximately 20 million degrees Celsius, and blue colors correspond to temperatures above approximately 30 million degrees Celsius.
Date	26 August 1999 (upload date)
Source	Cassiopeia A, Chandra X-ray
Author	Credit: NASA/CXC/SAO (courtesy, Gordon Garmire, Penn State U & the ACIS Team)

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current	23:12, 27 May 2024		2,395 × 1,609 (2.61 MB)	OptimusPrimeBot (talk \| contribs)	#Spacemedia - Upload of https://chandra.si.edu/photo/1999/0237/0237_hr.tif via Commons:Spacemedia

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Image title	This X-ray image of the Cassiopeia A (Cas A) supernova remnant is the official first light image of the Chandra X-ray Observatory. The 5,000 second image was made with the Advanced CCD Imaging Spectrometer (ACIS). Two shock waves are visible: a fast outer shock and a slower inner shock. The inner shock wave is believed to be due to the collision of the ejecta from the supernova explosion with a circumstellar shell of material, heating it to a temperature of ten million degrees Celsius. The outer shock wave is analogous to an awesome sonic boom resulting from this collision. The bright object near the center may be the long sought neutron star or black hole that remained after the explosion that produced Cas A.
Author	Chandra X-ray Observatory Center
Width	2,395 px
Height	1,609 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	sRGB

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File:Cassiopeia A, Chandra X-ray (1999-0237-more-4).tiff

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high Earth orbit

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26 August 1999

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