Cinematic 8k wallpaper of Ellen Ripley from the Alien movie, in an astronaut suit with helmet on and visor closed, gazing upwards in an action pose. She stands amidst the intricate interiors of the Nostromo space shuttle. The scene is depicted with ultra-detailed, highest quality clarity employing sci-fi elements and Ray Tracing. The composition is illuminated using chiaroscuro techniques, highlighting her features with epic realism. Her expression is contemplative and stoic, enhanced by overcast reflection mapping and rim lighting. The image boasts hyperphotorealistic quality, resembling promotional art shot on a Canon 5D. Rendered using Octane Render for that 8K movie-quality ultra-realistic finish, the wallpaper evokes a sense of intensity and drama.