UnhealthyTruthseeker wrote:Lunatic Goofballs wrote:I'm not convinced that very many scientists can define 'The Universe' nevermind non-scientists.
One old way of describing it is as "the sum total of all that exists." This definition, however, would mean that nothing outside the universe could ever exist. By this definition, what we call the universe isn't the entirety of the universe. Usually, the modern definition of universe is "the observable universe." In other words, everything within the Hubble radius from us.
That's an interesting question, isn't it? Does the Universe consist of everything observable, or everything observable by us?






