Scientific cosmology is often described as being the science with the universe in general. In it, the terms "universe" and "cosmos" usually are applied as synonyms with the expression "earth".[12] One typical definition of the planet/universe present in this area is as "[t]he totality of all space and time; everything https://zanderybcba.blog-eye.com/36496975/namthuanloi-things-to-know-before-you-buy