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.
萨拉·西尔弗曼
Travis Arenas,Colt Fason,Brandon Limeres,Nicole Serrano,Samira Valentina,Logan Ventura,Avery Wadbrook,克洛伊·维特奇
理查德·哈蒙德,詹姆斯·梅