solitary figure in a sci-fi landscape

science fiction red sky barren landscape solitary figure celestial bodies floating structures desolate terrain alien world futuristic large planets space art distant sun extraterrestrial fantasy mysterious atmosphere epic scenery digital painting exploration vivid colors scifi wallpaper otherworldly dramatic shadows cosmic moons astronomical objects loneliness isolation concept unknown planet ice sunset hues adventure vast universe outer view high contrast rocky surface imagination astral exoplanets artificial satellites deep