Scientific cosmology is often outlined as being the science of the universe in general. In it, the conditions "universe" and "cosmos" tend to be utilised as synonyms to the phrase "planet".[twelve] A single frequent definition of the entire world/universe found in this area is as "[t]he totality of all space https://namthuanloi58036.jiliblog.com/92824490/the-2-minute-rule-for-namthuanloi