Scientific cosmology is often outlined as being the science of the universe in general. In it, the phrases "universe" and "cosmos" are frequently utilised as synonyms to the expression "earth".[twelve] One widespread definition of the entire world/universe found in this discipline is as "[t]he totality of all Room and time; https://nam-thuan-loi60482.dailyblogzz.com/36856995/about-nam-thuan-loi