Sunday, 16 October 2011

How old is the Universe?

The Universe is everything we can see, and a lot that we can’t see. It was created in the Big Bang explosion and has been changing and expanding ever since.

The Universe is about 13.7 billion years old. At its beginning it looked nothing like it does today. Yet, everything in today’s Universe did exist in some form back then. It all started with the Big Bang, a kind of explosion that would not only go on to produce all the matter in the Universe but also marked the start of time.

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