Students explain why a transiting planet causes a periodic dimming in the light from its parent star. They determine the radius of a planet, and its orbital distance, by analyzing data and manipulating equations. Students compare the...

Students explore what astronomers are able to examine our galaxy and universe by examining light. They explore in this sub-unit the formation of the universe, commonly called "The Big Bang," and it follows studying from the Light: The...

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...

Young scholars participate in an estimation and measurement activity to improve their estimates of the size of hail. They hold several different sized wooden balls and record their guesses of the ball's diameters. They compare their...

Students demonstrate how stellar spectra measures a star's motion relative to Earth along the line of sight.