宇宙星空背景 - 测试

With the deep universe as the background, it is covered with twinkling stars with changes in light and darkness, creating a vast atmosphere. It clearly presents many planets of different shapes, with woody planets with rich details, and planets with unique surface textures; adds bright stars that emit dazzling light, and arranges vortex galaxies that show the spiral arms and core halo structures, embellishing nebula with red and blue gradient colors like flames. It adopts a combination of realistic and dreamy style, realistic shapes celestial materials, light and shadow, and uses color rendering to add a sense of dreamy feeling, similar to the science fiction concept art style. Use the central divergent composition, with the center in the upper part in the center, the main galaxy is the visual core, the planets distributed in the lower part and the two sides form a circumference and echo. Nebula and stars fill the gaps and balance composition, strengthen the vastness and sense of layering of the universe