Runway Prompt: Smooth 10-second photorealistic video from Mars rover perspective during October 3, 2025 flyby: ground-level view over red Martian terrain under twilight sky. Distant comet 3I/ATLAS slowly arcs across horizon from right to left, faint ghostly glow (magnitude 11) with short dust tail, ~30 million km away, no close approach or effects on planet. Emphasize isolation and vast cosmos as it exits frame. High-res 4K, inspired by ESA ExoMars TGO images, minimal motion blur.