File:RCW_86.jpg
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Summary
DescriptionRCW 86.jpg |
English: Infrared images from NASA's Spitzer Space Telescope and Wide-field Infrared Survey Explorer (WISE) are combined in this image of RCW 86, the dusty remains of the oldest documented example of an exploding star, or supernova. It shows light from both the remnant itself and unrelated background light from our Milky Way galaxy. The colours in the image allow astronomers to distinguish between the remnant and galactic background, and determine exactly which structures belong to the remnant.
Dust associated with the blast wave of the supernova appears red in this image, while dust in the background appears yellow and green. Stars in the field of view appear blue. By determining the temperature of the dust in the red circular shell of the supernova remnant, which marks the extent to which the blast wave from the supernova has travelled since the explosion, astronomers were able to determine the density of the material there, and conclude that RCW 86 must have exploded into a large, wind-blown cavity. The infrared images, when combined with optical and X-ray data, clearly indicate that the source of the mysterious object seen in the sky over 1,800 years ago must have been a Type Ia supernova. |
Date | Taken on 24 October 2011 |
Source | WISE |
Author | NASA/JPL-Caltech/UCLA |
Other versions |
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Spitzer and WISE light with wavelengths of 24 and 22 microns, respectively, is coloured red. Shorter wavelength infrared light from WISE is blue, cyan and green.
Licensing
Public domainPublic domainfalsefalse |
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.) | ||
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24 October 2011
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:45, 27 October 2011 | 2,811 × 2,154 (639 KB) | Originalwana | {{Information |Description ={{en|1=Infrared images from NASA's Spitzer Space Telescope and Wide-field Infrared Survey Explorer (WISE) are combined in this image of RCW 86, the dusty remains of the oldest documented example of an |
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