了解宇宙是如何运行的 第三季
简介 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 nigh
t 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
