Ellen Ripley from the Alien movie, portrayed in ultra-realistic sci-fi 8k wallpaper, is captured in an action pose with her astronaut helmet on and visor closed. She gazes upward, standing amidst the intricate, dimly-lit interiors of the Nostromo space shuttle. The scene employs ray tracing and chiaroscuro techniques, exuding an epic realism with remarkable detail and rim lighting that highlights her stoic expression. This hyperphotorealistic promotional art, reminiscent of a cinematic movie quality shot on a Canon 5D, features subtle overcast reflection mapping. Rendered in octane with ultra-high detail, this 8K imagery blends atmospheric tension with iconic authenticity.