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Introduction to Astronomy

Introduction to Astronomy

This is a free online course offered by the Saylor Foundation. 'You will be introduced to our current understanding of the universe and how we have come to this understanding. We will start with the ancient Greeks and their belief that the universe was an orderly place capable of being understood. We will continue through history, as we acquired more information on the nature of the universe and our models of the universe changed to reflect this. This will take us through several different worldviews. As noted above, we will begin with the Greek worldview, which was characterized by the belief that the earth was the immovable center of the universe; this was known as the “geocentric” model. Although this worldview is wrong in many of its details, it was a very important first step. It... Show More


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