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 melt《宇宙苍穹》是一部优秀的欧美综艺综艺 影视作品,影片的关键字是:宇宙苍穹bigdenswilltankmeltingVenus ,主演有: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