Got extremely bored at TAFE the other day, and that caused me to open photoshop, so I made this from a photo of the moon and a photo of earth - it's not meant to be hyper realistic, it was just something I did out of boredom, so enjoy etc.
Nice one, never got into making planets.
I really like it, it seems real and I guess that's what you were going for.
However, I think you should go little easier on the white spots, they're not doing it for me personally.
I don't think it needs too much improvement. Good job on the contrast levels. What I would do if I were you is add less lighting to the left side but still keep some and maybe add a tiny bit to the right. Great job though. 7/10.