When you think of the Universe, what comes to mind? Do you have an idea of how big the Universe is? Do you know what sorts of objects it contains? This chapter will explore the Universe in the most ge...When you think of the Universe, what comes to mind? Do you have an idea of how big the Universe is? Do you know what sorts of objects it contains? This chapter will explore the Universe in the most general terms. Even if you think you can make a reasonably descriptive list of what's in the Universe (and you will be asked to do so), you might be surprised to find that some of the items do not fall where you originally thought they would
