hyperrealistic very detailed landscape concept art of a large alien structure on a wasteland exoplanet, celestial cosmic lovecraftian horror by bruce brenneise and peter mohrbacher, giant alien spacecraft hovering in the sky, ancient ruins in background, large exoplanet in the sky, alien planet with craters and large structures, 3 d render, neosurrealism. digital concept art, pixel art, rendered in octane, trending on cgsociety, trending on artstation