These topics in Elementary Astronomy are selected from our on-line Elementary Astronomy class. They are provided here for those who may want to learn astronomy and do not need the interactivity, exams, and credit offered by the on-line class. The content is frequently updated, but may lag that in the class. If you are an enrolled student, please use the class website.
Click a topic to follow the link.
Students enrolled in distance education sections should use this site.