宇宙苍穹 第1集

   量子资源网 提供本片资源  　　In trying to comrehend our universe, just how big is big? How far is far? This users guide to the cosmos will bring the incomrehensible down to a human scale such as Venus melting a tank, the density of a black hole comared to 1000 cars in a Coke can, and the comets in the Solar System equated to grains of sugar weighing half a ton.