![](http://www.alamy.com/thumbs/6/AB546804-5501-44C0-8585-6982FBBB8EBF/D3D9KJ.jpg)
A Disappearing World (NASA, MESSENGER, 06/27/11)
Size: 2226px × 2244px
Photo credit: © NG Images / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: disappearing, exploration, hopkins, johns, johnshopkinsuniversity, limb, mercury, messenger, nasa, terminator, university, world