《宇宙苍穹》是一部2014 年在美国 上映的一部好看的欧美综艺,豆瓣评分为2.0 , 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.