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.更多《宇宙苍穹》免费观看高清在线、宇宙苍穹手机免费观看、宇宙苍穹完整版国语相关欧美综艺资源，请持续关注娱乐大本营!
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2024-08-04
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豆瓣：宇宙苍穹