File:Middle Aged Supernova remnant G299.2-02.9.jpg
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Summary[edit]
| Description |
English: This composite image shows G299.2-2.9 in X-ray light from Chandra (orange) that has been overlaid on an infrared image from the Two Micron All-Sky Survey (2MASS). Evidence points to G299.2-2.9 being the remains of a Type Ia supernova, where a white dwarf has grown sufficiently massive to cause a thermonuclear explosion. Because it is older than most supernova remnants caused by these explosions, at an age of about 4,500 years, G299.2-2.9 provides astronomers with an excellent opportunity to study how such remnants evolve over time. |
| Date | |
| Source | Unknown, Chandra X-Ray Observatory |
| Author | Joseph DePasquale |
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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.) |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:11, 28 September 2012 | | 864 × 728 (84 KB) | ExtraRed (talk | contribs) | User created page with UploadWizard |
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