I ran into this while taking geology courses at university, and the lack of attention to detail by the developers is frankly insulting.
EDIT: The red line is what the developers did. The green line is what they should have done for realism. Explanation in the comments.
Bro, don't even look at procedurally generated planets like Star Citizen omg. I cannot. The game is pretty but the planets make me want to throw a chair.