Vast icy alien landscape under a mysterious planet

An otherworldly 4K wallpaper depicts a vast, icy alien landscape dominated by jagged, blue-tinted mountains and a sprawling frozen plain, all set under the looming presence of a colossal, mysterious planet in the sky. The pervasive blue-gray mist and ethereal light emanating from the distant planet create a hauntingly serene and desolate atmosphere across the frigid terrain.