A breathtaking cosmic panorama unfolds, where luminous stars and swirling nebulae paint an enchanting tapestry across the night sky. Majestic mountains stand proudly, kissed by a gentle moonlight that reveals their tranquil presence. Far-off planets hover gracefully, adding a touch of otherworldly mystique to the horizon. Serpentine rivers meander in an ethereal glow, mirroring the celestial wonders above. A vibrant symphony of blues, reds, and purples ignites the vista, each hue dancing with the next in a harmonious ballet. This highly detailed masterpiece is a pristine vision for a cosmic-themed wallpaper.