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How was the universe created? What order did everything happen in? Keep reading to find the Big Bang explained for kids, along with tons of fun facts.
Introduction. Between 10 and 15 billion years ago, scientists believe, the universe began suddenly in an event called the big bang. Under conditions of extreme heat, all the matter and energy that make up the universe spread out to create space.
Our Big Bang Theory lesson plan explores the basics about this idea of how the earth and universe came to exist. Download the free PDF today!
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Jun 20, 2014 · The Big Bang. Access the image. Most astronomers believe the Universe began in a Big Bang about 14 billion years ago. At that time, the entire Universe was inside a bubble that was thousands of times smaller than a pinhead. It was hotter and denser than anything we can imagine. Then it suddenly exploded.
Theory about Big Bang Explosion. While its hard to understand how and why the Big Bang happened, scientists pretty much know what has been happening ever since the Big Bang happened. They know this through many experiments, and put all of their information together to get the best answers.
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The Big Bang Theory, or Big Bang for short, is a scientific model describing how the entire universe began with a giant blast of energy, which occurred about 14 billion years ago....