PROMPT:
A mesmerizing, photorealistic scene of a celestial galaxy, set against a dark blue-black cosmic backdrop, illuminated by radiant bursts of vibrant turquoise, electric blue, and sunshine yellow, with glints of copper and gold accents, showcasing a majestic, glowing spiral nebula, teeming with an assortment of gleaming, iridescent asteroids and comets, amidst a swirling vortex of stars, gas, and dust, evoking a sense of awe-inspiring wonder and mystery.