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How Did It All Begin? A Short History Of The Cosmos
Tweet TweetHow did it all begin? Where did we come from? Where are we going? Cosmologists tell their story. Cosmology is the study of the entire universe, or at least as much of the universe that we can see with our telescopes and other instruments and even the parts we can speculate about. Scientists who study cosmology are usually astrophysicists and they call themselves cosmologists. One of their current views of the universe is the theory of the Big Bang which I’m sure you have heard of. But what is the big bang? What banged? When did it happen? Without going into too many scientific details, you will learn a little bit about the big bang, its relationship to cosmology and the importance of it for our lives here on planet Earth. The Big Bang Cosmologists say that the universe as we know it began about 13.7 billion years ago in a flash of energy that resulted in electromagnetic radiation and some particulate matter that was so hot that matter as we know [...]