What's so wrong about using the word 'universe' in that way? Here's the first example I found from a quick Google search: > The Big Bang Theory is the leading

What's so wrong about using the word 'universe' in that way? Here's the first example I found from a quick Google search: > The Big Bang Theory is the leading explanation about how the universe began. https://www.space.com/25126-big-bang-theory.html https://www.space.com/25126-big-bang-theory.html