Multiple big bangs within our universe?

I want to first off say I am not very knowledgeable in the realm of cosmology, but i do have a couple questions that i have been thinking about for a while. As i understand it about 13.7 billion years ago the Big bang accrued which is we we cannot see things past about 13 billion lights years away from earth. As I understand it the big bang was the rapid expansion of space time, and also responsible for the creation of matter. My question is outside of our 13 billion light year scope, say 100 billion light years away, would it be possible that another "Big Bang" accrued creating its own stars and galaxy's If this were possible, would these galaxys be obligated to obey the laws of physics as we know them?