around 5/10 id say, the image of the sea and and the space arent blended in properly.
PHOTOGRAPHYRate this image?
first 6/10
second 8/10
second 8/10

You need to work more when you're fusing images, like the rest did said, you didn't crop the sea very good, looks weird for me, but it's still a good idea.
5/10.
5/10.
6/10
More work in the sea
More work in the sea
Great job with the edit!
7/10
7/10
good edit, 7/10
I'm learning to do it like you
10/10 Amazing Edit WOW