8. When And How Did Everything Begin? Summary and Analysis

Again, the myths concerning the origins of the world are greatly varied across cultures. Most of these myths assume that something was alive before the universe was created. Scientifically speaking, there were two competing models of the universe during the twentieth century. One, known as Steady State Theory, is now known to be wrong. The Big Bang Theory instead insists that the universe began at a definite moment. It is also possible that there is more than one universe. Our sun is one star in a galaxy of billions of stars, known as the Milky Way Galaxy. We have observed many, many galaxies throughout the universe. We can also learn a lot about stars through the use of spectroscopes, instruments that break down light from stars in a way similar to...