Epic cinematic 8k wallpaper of Ellen Ripley, her expression determined and focused, inspired by the iconic Alien movie. She is an astronaut clad in an elaborately detailed and ornate space suit, with beads of sweat glistening on her cheeks and forehead. Her face is beautifully symmetrical and striking, as she stands in a dynamic action pose within the atmospheric and moody interiors of the Nostromo space shuttle. This sci-fi visual masterpiece features ultra-detailed, photorealistic quality, utilizing advanced Ray Tracing and VFX post-production techniques. The lighting is meticulously designed with overcast reflection mapping and shot on a Canon 5D, achieving 8K resolution with movie-quality craftsmanship and ultra-realistic sharpness.