This is very realistic. You're the first person on Deviantart that I've seen that remembered the rayleigh effect is reversed on Mars, turning the sky around the sunset blue, and the rest of it reddish.
thanks, I've got some tips from cool people from Mars Society, that was a tip from them besides, other details, like the moons on the right, they didn't approve the humans, because of the scale, but I had to put them 