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Vertical Comet Passage Through a Sapphire Starfield
cosmic beauty · comet · vertical story · sapphire sky
Express cosmic beauty through a single comet traveling upward across a 9:16 portrait composition for a vertical social story. Place its small luminous nucleus near the upper third, with a graceful blue ion tail and softer ivory dust tail descending toward the lower edge. Build depth using a sparse foreground starfield and a distant lavender nebula concentrated near the bottom. Leave the upper corners dark and uncluttered for interface breathing room, without adding text. Use elegant directional movement, fine particulate texture, and controlled highlights. The result should feel like one fleeting celestial encounter, intimate in framing yet immense in implied distance.