PROMPT:
In a boundless, starry expanse, an iridescent nebula unfurls like a celestial umbrella, radiating an aura of mystique, with swirling clouds of turquoise, emerald, and sapphire, illuminated by scattered, glowing stardust, set against a velvety black background. Incorporate intricate, ethereal details, and subtle, shimmering textures, evoking an otherworldly essence. Employ vibrant colors, sparingly using pink, to craft a mesmerizing, photorealistic depiction that invites the viewer to step into the heart of the Crimson Cosmos.
