Expansion of the Universe: Where is the Centre? - The Balloon Analogy (Ask an Astronomer)
Channel: AskAnAstronomerUK
Date: 2012-10-10

Does our Universe have a centre? Where did the big bang take place? Using a simple balloon analogy we explain the concept of the expansion of our Universe.

Relates to the main site quick question:
"The Universe came into existence after big bang, but where did the big bang take place and if it was in space, where did space came from?"

http://www.askanastronomer.co.uk/quickquestions.php#wheredidthebigbanghappen