![](http://www.alamy.com/thumbs/6/CBCF4B8C-5FF9-4A02-B070-2B332A75E9B3/D3RFW1.jpg)
Abell 1689: A Galaxy Cluster Makes Its Mark (A galaxy cluster at a distance of about billion light years from Earth.)
Size: 3846px × 3996px
Photo credit: © NG Images / Alamy / Afripics
License: Licensed
Model Released: No
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