a fantastical galaxy with swirling colors, glowing stars, and cosmic dust

enchanted celestial nebulae stardust auroras ethereal luminescent supernova nebulous astral kaleidoscopic phantasmagoric luminous tranquil galactic whimsical hypnotic infinite psychedelic serene mystical enigmatic synchronistic vibrant mesmerizing radiating interstellar dazzling cosmos surreal sparkling cosmic opalescent universally mysterious natural enthralling alluring magical mesmeric panoramic banner wallpaper background illustration ai generative generated artificial intelligence