Scientific cosmology can be defined as being the science with the universe in general. In it, the conditions "universe" and "cosmos" usually are used as synonyms for the phrase "environment".[twelve] One particular popular definition of the world/universe present in this discipline is as "[t]he totality of all Room and time; https://nam-thuan-loi23321.win-blog.com/17050855/about-nam-thuan-loi