宇宙苍穹是一部评分8.0的欧美综艺,影片的导演是未知, In trying to comprehend our universe, just how big is big? How far is far? This users guide to the宇宙苍穹是一部评分8.0的欧美综艺,影片的导演是未知, 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.详情