Epic cinematic 8k wallpaper of Ellen Ripley, from the Alien movie, wearing a sleek astronaut suit with helmet on and visor down, standing amidst the intricate and dimly-lit interiors of the Nostromo spacecraft, photorealistic and cinematic in essence, showcasing movie-quality visuals with meticulous VFX post-production, enhanced by advanced RTX ray tracing for dynamic lighting, ultra-realistic and hyper-detailed in every aspect, rendered in stunning HD, HDR, 4K, and 8K resolution, capturing the scene as though shot on a Mitchell BNC camera using Octane Render, maintaining an intense and immersive sci-fi atmosphere.