This PowerPoint is an updated version of the old power point, it has all of the same information, but goes into more depth with 67 more slides of information, activities, assessments, and small projects to do during the unit. This should now take a good couple of weeks to cover in depth and to complete all of the activities. It not only details the major events in the history of astronomy, examining the famous astronomers, such as Ptolemy, Copernicus, Brahe, Keppler, Galileo, It covers the ma