So lets see your sig in a closer way.
Text is too big and need improvement.
Nice use of C4Ds
No depth
Add a gradients cause if you see closer the moon stock does not fit with the purple/violet colors you gave next to render.
Nice use of C4Ds
7/10
Btw you destroyed the render...
This render is one of the most attractive I have worked with and I think you should make it much bigger