File:Abell 520.PNG
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[edit] 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. |
[edit] Licensing
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This file is in the public domain because it was 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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