Search for critics for this render.
I’m no expert, so I cant really tell you how to fix most of the problems I see, but whatever.
The main issues I see are that the yellow cables look like some kind of string made from raw plant fiber, the capsule exterior is very low poly and the the overall image is too dark. Also, from a realism standpoint, a capsule that just re-entered the atmosphere should look sort of burned, a bit like this:
Good luck!