An illustration of an astronaut exploring a lush, verdant world, capturing the awe-inspiring beauty of this alien planet in a masterpiece of sci-fi atmospheric art. The scene is highly detailed and rendered in sharp focus, with an intricate array of flora and vibrant colors that create a sense of wonder and discovery. The artwork is displayed in stunning 4k resolution, embodying a style that is trending on ArtStation. Subtle enhancements bring a touch of surrealism and fantasy to the landscape, evoking a dreamlike quality while maintaining the core essence of an astronaut in an otherworldly environment.