Astronomy in-class activity: planetary motion models, first principles versus scientific models

Astronomy 210 In-class activity 7 v.15.08.16, fall semester 2015
Cuesta College, San Luis Obispo, CA

Students find their assigned groups of three to four students, and work cooperatively on an in-class activity worksheet to analyze how the Ptolemaic and Copernican models reproduce prograde and retrograde motion of planets, and to distinguish between first principles and scientific models.