4.2 Formation of the Universe
Formation: The Universe and the Solar System
Introduction
How did the Earth come to be revolving around the Sun? How did the Milky Way Galaxy form? And while we're at it, where did the universe come from, and how long has it been around?
You are not the only one asking these questions. People have been coming up with theories to answer these questions for many years. In this lesson you will examine the current scientific theories that explain the formation of the universe.