Illustration of an astronaut exploring a lush, alien landscape, surrounded by vibrant, otherworldly vegetation under a captivating sky, capturing the essence of a sci-fi masterpiece; highly detailed and immersive, showcasing intricate textures in sharp focus and rich colors, presented in 4k resolution with a sense of wonder and discovery, akin to artwork trending on ArtStation; subtle enhancements include luminous bioluminescent plants and an awe-inspiring vista in the background, maintaining the core concept of an atmospheric and verdant world.