I don't often care for space images, but Orbital Sunset by Capn-damo caught my eye. I liked the composition with the spaceship and appreciated the little details like the clouds actually casting shadows. Nice one!
Model made with Blender, using resources from "Gadgets,Gizmos & Greebles" on BlendSwap
NASA images are from ngc-3256, HiRes and ISS Pacific Ocean Sunset
Put together with GIMP