The End Of The World As We Know It?

The universe began in a Big Bang about 13.7 billion years ago and has been expanding at an ever accelerating rate ever since. iStockPhoto

From Discovery Magazine:

Save the date: Less than 3.7 billion years from now, the world is going to end, according to a new study.

A new study suggests the universe and everything in it could end within the Earth's lifespan -- less than 3.7 billion years from now -- and we won't know it when it happens.

But one expert says the result isn't valid because the researchers chose an arbitrary end point.

The universe began in a Big Bang about 13.7 billion years ago and has been expanding at an ever accelerating rate ever since.

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