剧情介绍
In trying to comprehend our universe, just how big is big? How far is far? This users guide to the cosmos will bring the incomprehensible down to a human scale such as Venus melting a tank, the density of a black hole compared to 1000 cars in a Coke can, and the comets in the Solar System equated to grains of sugar weighing half a ton.更多《乡村爱情7在线观看免费完整版》在线观看高清完整版、乡村爱情7在线观看免费完整版在线观看完整版、乡村爱情7在线观看免费完整版完整版在线播放相关欧美综艺资源，请持续关注顺德翻译影视! 展开全部
