File:Abell 520.PNG
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Summary
| Description | Abell 520 galaxy cluster with regions dominated by Dark matter color coded blue. The configurations evident in this photograph indicate a possible self-interaction of dark-matter through an as-yet unknown force or forces. |
| Date | August 16, 2007 (date of article publication) |
| Source | http://www.nasa.gov/mission_pages/chandra/multimedia/photos07-090.html |
| Author | X-ray: NASA/CXC/UVic./A. Mahdavi et al. Optical/lensing: CFHT/UVic./H. Hoekstra et al. |
Licensing
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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 | 13:16, 28 December 2007 | | 792 × 792 (1.21 MB) | Mathiasrex | {{Information |Description=Abell 520 galaxy cluster |Source=http://www.nasa.gov/mission_pages/chandra/multimedia/photos07-090.html |Date=? |Author=NASA |Permission= |other_versions= }} |
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