Scientific cosmology could be outlined as being the science in the universe in general. In it, the phrases "universe" and "cosmos" are usually employed as synonyms for your expression "planet".[twelve] One particular widespread definition of the earth/universe located in this subject is as "[t]he totality of all space and time; https://namthuanloi26026.bloguetechno.com/an-unbiased-view-of-nam-thuan-loi-71511647