任务分配：制作一张关于宇宙的海报。

Dive into the fascinating world of stars and galaxies, exploring how stars like our Sun are nuclear reactors that produce energy, and discovering the vast scale of our universe filled with billions of stars, galaxies, and other celestial objects. This video encourages you to create an informative poster showcasing the diverse components of the universe, emphasising scale, visuals, and key facts to deepen your understanding of cosmic structures.