宇宙苍穹介绍
《宇宙苍穹》 ，发行于2014年（美国），一部欧美综艺。
该部作品讲述了： 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.
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