Astronomy: Big Bang

CrashCourse.  “The Big Bang: Crash Course Big History #1.” Online Video Clip. YouTube. YouTube, 17 Sept 2014. Web. 18 Oct 2015.  < https://www.youtube.com/watch?v=tq6be-CZJ3w>

CrashCourse.  “Exploring the Universe: Crash Course Big History #2.” Online Video Clip. YouTube. YouTube,  24 Sept 2014. Web.  18 Oct 2015.  < https://www.youtube.com/watch?v=Fi30zjQhtWY>.

How the Big Bang Theory Works

The Short and Skinny on the Big Bang Theory

Where the Big Bang Theory Came From

More on the Big Bang Story

The First Second

The Next 13 Billion Years

What does the Big Bang Tell Us?

Problems with the Big Bang Theory