Introduction to Astronomy

Introduction to Astronomy - Introduction to Astronomy...

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Unformatted text preview: Introduction to Astronomy Hello, explorer! You are about to start a journey that will take you to the farthest reaches of space and the innermost depths of matter and from the earliest beginning of time to the future billions of years from now. Introductory astronomy classes have the daunting task of introducing students to the wonders of the entire universe in one short course, often just one semester or one quarter long. Though the places and events you will encounter will sometimes be mind-boggling, I hope you will find it such a fascinating experience that you will want to learn more about those places in another course or in your own free time in the library or in your backyard with binoculars or telescope (or even better, at star parties on a mountain far from the city lights with your local astronomy club). The first part of this chapter takes you on a tour of the universe in space and time to give you some context---``set the stage and introduce the characters'', some familiar and others quite...
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