Where did the Big Bang take place? If the Universe is expanding, where is it expanding from? These are very good questions, but the answer might seem confusing. The answer is...everywhere!

It is all in the dimensions!

Astronomers think the Big Bang is the best way to explain how the Universe started and how it changed over time. All science is based on evidence. So what is the evidence for the Big Bang?

The Big Bang is the explanation for how the Universe started. Astronomers think that everything started in a single point. Then everything expanded and stretched to grow into the huge Universe we see today.