The Big Bang – A Primer

Let’s Start With … In The Beginning

Here’s a quick primer on the Big Bang.  The conclusion here is: we can be reasonably confident that the Big Bang triggered the creation of our universe because we can observe evidence showing the universe behaves as it should if such a Big Bang were to have occurred.

If you’re new to or fuzzy about this topic, then read this short article and watch the videos.  If you’re comfortable with the topic then feel free to jump ahead – hit to button at the bottom of the page.

As you probably already know, some of our most brilliant scientists have shown that everything started with a bang – the Big Bang.  At least that’s the theory.  For those who are unfamiliar with the accepted definition of how the Big Bang happened, check out this 5 minute video from a reliable source – National Geographic.  It’s a very clear overview that primarily concentrates on what scientists theorize happened in the first 100 seconds of time.  It’s quite good.

The question is, do we really know the Big Bang happened?  No one was there to see the events take place in-person so how can we be sure?  Are there any facts and/or pieces of evidence pointing to such an event?

Well, there’s good news here because the evidence for the Big Bang is quite strong.  In fact, some of the predictions made as the theory was refined over time have been validated by factual evidence that we can observe.  When theoretical predictions are validated by factual evidence, our confidence in those theories increases.

This 5 minute video, produced by Fraser Cain, a science blogger at Universe Today, does a good job summarizing the four well known and well documented story lines used to validate Big Bang theories plus he mentions several others.  Take a look – he does a nice job.

Conclusion

We can be reasonably confident that the Big Bang triggered the creation of our universe because we can observe evidence showing the universe behaves as it should if such a Big Bang were to have occurred.