了解宇宙是如何运行的 第三季

　　A users guide to the cosmos from the big bang to galaxies, stars, planets and moons. Where did it all come from and how does it all fit together. A primer for anyone who has ever looked up at the night sky and wondered.
　　Episode 1 Sun
　　Episode 2 End of the Universe
　　Episode 3 Jupiter
　　Episode 4 First Second
　　Episode 5 Saturn
　　Episode 6 Extinction