From the Chandra X-ray Observatory
The red, green, and blue regions in this Chandra X-ray image of the supernova remnant Cassiopeia A show where the intensity of low, medium, and high energy X-rays, respectively, is greatest. The red material on the left outer edge is enriched in iron, whereas the bright greenish white region on the lower left is enriched in silicon and sulfur. In the blue region on the right edge, low and medium energy X-rays have been filtered out by a cloud of dust and gas in the remnant. This image was made with the Advanced CCD Imaging Spectrometer (ACIS).
Image Title: Chandra X-ray image of Cas A
Text based on accompanying press release
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Last Modified On: Last Modified On: Saturday, December 16,