A breathtaking cosmic panorama unfolds as luminous stars and swirling nebulae dance across the night sky. Majestic mountains are bathed in a gentle moonlit glow, while distant planets hover mysteriously in the background. Ethereal rivers, beautifully aglow, wind through the scene. The vibrant interplay of blue, red, and purple creates an intricate and artistic tapestry, ideal for a celestial-themed wallpaper.