A breathtaking cosmic panorama where shimmering stars and swirling nebulae dance across the night sky, casting a soft luminescent glow over majestic mountains bathed in silvery moonlight. Distant planets hover gracefully in the background, while mystical, glowing rivers weave through the landscape. The scene is alive with vibrant hues of blue, red, and purple, intricately detailed to create a captivating, otherworldly tapestry, ideal for a celestial-themed wallpaper.