Epic cinematic 8k wallpaper featuring Ellen Ripley with a resolute expression from the Alien movie, clad in a meticulously detailed and ornate astronaut suit, subtle beads of sweat on her cheeks and forehead, showcasing a beautifully symmetrical face. She stands in a dynamic action pose within the interiors of the Nostromo space shuttle. The scene embodies sci-fi themes with ultra-realistic qualities, utilizing Ray Tracing technology. The focus is on ultra-high detail quality, evoking a photorealistic, cinematic feel. It resembles promotional art with overcast reflection mapping, movie-quality VFX post-production effects, captured with RTX ray tracing lighting, shot on a Canon 5D for 8K realism.