A vibrant, surreal landscape featuring a stream winding through a rocky, barren plain under a cosmic sky filled with nebulae, planets, and stars. The planets are large and brightly colored, with swirling textures and atmospheric effects. The nebulae are intensely colorful, with shades of pink, purple, orange, and blue. The rocks are dark and jagged, contrasting with the bright sky and stream. The overall style is fantastical and otherworldly, emphasizing a sense of scale and wonder. High detail, 8k resolution, hyperrealistic.