Cinematic 8k wallpaper of Ellen Ripley from the Alien movie, dressed in a detailed astronaut suit with helmet on and visor slightly tinted, looking determinedly upward in an action-packed stance against the intricate Nostromo spaceship interiors; sci-fi elements with ray tracing creating a play of light and shadow that highlights the ultra-detailed textures, emphasizing chiaroscuro; hyper-realistic depiction with an epic, promotional art feel; overcast reflections subtly enhancing the atmosphere; rim lighting enhancing her stoic expression; shot with a Canon 5D quality, rendered with Octane for 8K resolution brilliance.