Here is a little animation of my space station. I rendered the background separately from the station. Two different files. I tried to match the lighting, and I think it worked.
For the staion I used some heavy frame blending in AE, which helped a lot to get rid of the noise of the micro displacement of the aluminium shader.
Actually after I finished the animation I watched Gravity and I was tempted to delete what I just created... Insane!!!