:To elaborate, if you define the universe as "everything physical" then there can be non-physical things outside it (if non-physical things exist). Some people define it as the (forgive me, but I use wikipedia links) [http://en.wikipedia.org/wiki/Observable_universe observable universe], which only includes objects we can observe from Earth. This is why it's a semantic debate, until you know what each side is talking about. [[User:SEdwin|SEdwin]] 21:24, 30 July 2011 (EDT) | :To elaborate, if you define the universe as "everything physical" then there can be non-physical things outside it (if non-physical things exist). Some people define it as the (forgive me, but I use wikipedia links) [http://en.wikipedia.org/wiki/Observable_universe observable universe], which only includes objects we can observe from Earth. This is why it's a semantic debate, until you know what each side is talking about. [[User:SEdwin|SEdwin]] 21:24, 30 July 2011 (EDT) |