Tenth graders explore the structure and content of galaxies. Through discussion, lab, and hands-on activities, they discover the general structure of the three types of galaxies as well as the effect they have on the structure and...

Students apply an algorithm to measure the distance to stars in the night sky. In this photometry lesson, students observe stars in the night sky as they measure the distance to them and to the cluster, The Milky Way. They apply the...

Students construct a simple radio telescope. For this astronomy lesson, students explain how this telescope works and what information it collects.